U.S. flag An official website of the United States government.
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

US Transportation Collection

rosaP Repository & Open Science Access Portal

The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

(375)
(690)
(805)
(820)
(744)
(957)
(1108)
(1103)
(1117)
(1377)
(1605)
(1330)
(1366)
(1349)
(1468)
(1367)
(1319)
(1414)
(1035)
(723)
(677)
(648)
(642)
(733)
(773)
(903)
(853)
(747)
(819)
(929)
(709)
(591)
(393)
(281)
(280)
(241)
(189)
(184)
(180)
(156)
(208)
(199)
(200)
(199)
(230)
(210)
(179)
(236)
(219)
(163)
(165)
(198)
(151)
(118)
(156)
(177)
(107)
(90)
(80)
(82)
(97)
(59)
(65)
(86)
(33)
(13)
(5)
(10)
(3)
(7)
(6)
(7)
(3)
(6)
(4)
(5)
(3)
(3)
(7)
(7)
(6)
(3)
(1)
(4)
(2)
(3)
(1)
(3)
(5)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(4)
(1)
(2)
(21)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
0 of 110
(29)
(15)
(27)
(29)
(36)
(34)
(14)
(20)
(20)
(47)
(14)
(15)
(22)
(16)
(99)
(38)
(16)
(17)
(16)
(13)
(13)
(20)
(12)
(17)
(33)
(12)
(20)
(21)
(51)
(23)
(20)
(12)
(38)
(15)
(14)
(33)
(18)
(31)
(30)
(25)
(16)
(18)
(13)
(29)
(15)
(14)
(13)
(26)
(34)
(15)
(12)
(14)
(18)
(15)
(17)
(14)
(12)
(12)
(38)
(16)
(20)
(18)
(17)
(24)
(23)
(29)
(13)
(12)
(18)
(27)
(37)
(29)
(49)
(77)
(16)
(21)
(12)
(99)
(12)
(15)
(18)
(15)
(13)
(17)
(17)
(12)
(16)
(13)
(15)
(22)
(12)
(12)
(15)
(25)
(15)
(40)
(25)
(16)
(12)
(26)
(53)
(21)
(12)
(26)
(15)
(63)
(17)
(61)
(25)
(12)
(21)
(34)
(21)
(13)
(21)
(41)
(14)
(12)
(12)
(20)
(27)
(14)
(13)
(15)
(12)
(28)
(20)
(64)
(12)
(31)
(18)
(14)
(20)
(16)
(15)
(16)
(22)
(15)
(25)
(13)
(21)
(12)
(12)
(14)
(14)
(15)
(15)
(18)
(15)
(25)
(12)
(30)
(29)
(20)
(19)
(16)
(55)
(14)
(20)
(18)
(33)
(16)
(13)
(13)
(78)
(21)
(14)
(18)
(24)
(37)
(22)
(13)
(13)
(38)
(15)
(14)
(13)
(16)
(15)
(13)
(18)
(14)
(22)
(19)
(15)
(20)
(14)
(13)
(12)
(22)
(24)
(42)
(13)
(13)
(16)
(13)
(16)
(13)
(18)
(30)
(18)
(19)
(22)
(15)
(22)
(15)
(16)
(15)
(35)
(25)
(14)
(19)
(12)
(19)
(14)
(14)
(12)
(20)
(15)
(23)
(61)
(12)
(41)
(12)
(13)
(28)
(15)
(12)
(27)
(43)
(22)
(17)
(16)
(18)
(15)
(40)
(14)
(14)
(18)
(15)
(14)
(14)
(30)
(19)
(35)
(37)
(56)
(15)
(14)
(108)
(26)
(12)
(22)
(15)
(15)
(31)
(26)
(26)
(21)
(12)
(19)
(23)
(17)
(40)
(18)
(14)
(70)
(34)
(16)
(16)
(22)
(16)
(32)
(13)
(15)
(12)
(13)
(34)
(17)
(20)
(19)
(12)
(12)
(19)
(27)
(15)
(47)
(15)
(24)
(13)
(15)
(25)
(13)
(41)
(27)
(15)
(27)
(28)
(31)
(18)
(13)
(15)
(28)
(19)
(22)
(24)
(21)
(13)
(19)
(13)
(14)
(23)
(15)
(14)
(23)
(15)
(24)
(20)
(13)
(13)
(67)
(21)
(15)
(31)
(15)
(21)
(27)
(16)
(13)
(20)
(13)
(18)
(38)
(41)
(16)
(18)
(12)
(13)
(14)
(16)
(35)
(19)
(28)
(19)
(14)
(54)
(12)
(20)
(13)
(16)
(36)
(15)
(41)
(15)
(14)
(38)
(13)
(16)
(12)
(21)
(17)
(12)
(35)
(26)
(26)
(18)
(21)
(26)
(33)
(21)
(21)
(22)
(21)
(40)
(16)
(55)
(12)
(16)
(27)
(13)
(14)
(22)
(38)
(27)
(14)
(33)
(15)
(45)
(24)
(14)
(17)
(12)
(43)
(19)
(12)
(14)
(15)
(13)
(20)
(24)
(31)
(18)
(20)
(18)
(13)
(24)
(21)
(16)
(14)
(31)
(22)
(23)
(14)
(14)
(14)
(23)
(15)
(12)
(17)
(24)
(12)
(12)
(25)
(12)
(29)
(13)
(36)
(21)
(12)
(13)
(45)
(12)
(31)
(12)
(13)
(12)
(15)
(14)
(23)
(31)
(30)
(22)
(26)
(15)
(22)
(35)
(15)
(13)
(31)
(12)
(61)
(19)
(13)
(12)
(41)
(12)
(15)
(25)
(42)
(21)
(12)
(13)
(18)
(12)
(18)
(16)
(18)
(17)
(13)
(20)
(14)
(30)
(61)
(21)
(17)
(12)
(12)
(15)
(23)
(13)
(15)
(12)
(14)
(14)
(17)
(28)
(15)
(20)
(12)
(12)
(16)
(15)
(20)
(23)
(13)
(14)
(56)
(20)
(12)
(12)
(19)
(21)
(15)
(18)
(13)
(32)
(16)
(35)
(14)
(34)
(20)
(17)
(15)
(16)
(28)
(14)
(12)
(12)
(13)
(18)
(64)
(17)
(52)
(21)
(23)
(12)
(13)
(18)
(30)
(17)
(19)
(20)
(16)
(27)
(16)
(16)
(46)
(18)
(28)
(14)
(21)
(14)
(12)
(17)
(13)
(12)
(15)
(12)
(66)
(36)
(19)
(41)
(56)
(16)
(24)
(15)
(25)
(12)
(17)
(22)
(17)
(18)
(39)
(23)
(14)
(29)
(19)
(14)
(17)
(20)
(21)
(21)
(15)
(27)
(18)
(58)
(28)
(37)
(12)
(30)
(18)
(22)
(13)
(22)
(34)
(14)
(12)
(15)
(12)
(20)
(19)
(27)
(18)
(17)
(50)
(23)
(20)
(12)
(26)
(16)
(12)
(14)
(32)
(16)
(20)
(16)
(15)
(19)
(15)
(28)
(14)
(20)
(14)
(33)
(12)
(15)
(15)
(23)
(30)
(18)
(12)
(16)
(16)
(16)
(12)
(15)
(88)
(17)
(16)
(13)
(19)
(14)
(27)
(17)
(20)
(26)
(18)
(12)
(14)
(23)
(13)
(20)
(45)
(18)
(14)
(12)
(18)
(12)
(22)
(16)
(53)
(35)
(15)
(21)
(75)
(44)
(20)
(12)
(12)
(40)
(12)
(56)
(23)
(14)
(26)
(14)
(40)
(13)
(13)
(12)
(20)
(23)
(18)
(44)
(56)
(12)
(61)
(15)
(21)
(13)
(16)
(13)
(51)
(20)
(28)
(13)
(23)
(21)
(16)
(13)
(13)
(23)
(13)
(30)
(24)
(14)
(12)
(21)
(17)
(18)
(40)
(16)
(12)
(24)
(23)
(19)
(25)
(22)
(17)
(17)
(16)
(13)
(12)
(13)
(23)
(22)
(16)
(74)
(14)
(40)
(13)
(13)
(18)
(20)
(13)
(19)
(24)
(14)
(13)
(22)
(14)
(14)
(19)
(14)
(18)
(31)
(14)
(43)
(13)
(12)
(22)
(19)
(15)
(19)
(69)
(31)
(15)
(26)
(28)
(17)
(12)
(23)
(17)
(21)
(18)
(38)
(19)
(12)
(37)
(50)
(51)
(13)
(19)
(13)
(19)
(13)
(17)
(14)
(13)
(14)
(51)
(29)
(14)
(41)
(12)
(159)
(14)
(18)
(73)
(32)
(16)
(15)
(18)
(26)
(13)
(13)
(18)
(17)
(17)
(23)
(13)
(21)
(29)
(13)
(22)
(45)
(14)
(13)
(74)
(18)
(26)
(12)
(24)
(13)
(16)
(33)
(22)
(12)
(17)
(12)
(27)
(15)
(32)
(14)
(33)
(15)
(20)
(12)
(12)
(51)
(17)
(16)
(13)
(25)
(13)
(20)
(12)
(13)
(12)
(13)
(14)
(49)
(38)
(22)
(17)
(27)
(16)
(16)
(18)
(21)
(59)
(14)
(12)
(31)
(14)
(22)
(14)
(15)
(16)
(13)
(12)
(21)
(18)
(42)
(22)
(38)
(20)
(19)
(13)
(15)
(33)
(25)
(27)
(22)
(23)
(13)
(19)
(19)
(22)
(24)
(18)
(20)
(14)
(32)
(13)
(17)
(28)
(20)
(37)
(16)
(30)
(25)
(12)
(26)
(14)
(69)
(21)
(26)
(72)
(29)
(12)
(16)
(16)
(18)
(13)
(14)
(14)
(27)
(12)
(16)
(23)
(19)
(13)
(19)
(17)
(12)
(65)
(31)
(18)
(39)
(15)
(15)
(25)
(17)
(28)
(13)
(33)
(21)
(26)
(12)
(15)
(23)
(15)
(16)
(18)
(16)
(20)
(13)
(16)
(20)
(32)
(13)
(25)
(12)
(28)
(14)
(12)
(13)
(28)
(29)
(16)
(17)
(35)
(37)
(35)
(13)
(13)
(24)
(17)
(14)
(21)
(13)
(14)
(27)
(17)
(21)
(47)
(27)
(16)
(18)
(15)
(20)
(13)
(18)
(18)
(16)
(13)
(14)
(31)
(13)
(20)
(13)
(25)
(40)
(17)
(13)
(30)
(14)
(14)
(13)
(13)
(27)
(15)
(17)
(13)
(18)
(45)
(35)
(15)
(70)
(18)
(15)
(19)
(17)
(22)
(16)
(18)
(21)
(26)
(23)
0 of 1000
(1)
(2)
(76)
(9)
(253)
(1804)
(8)
(205)
(30)
(10)
(23)
(9)
(3)
(6)
(159)
(3)
(16)
(487)
(59)
(22)
(34)
(2)
(1)
(4)
(200)
(339)
(1)
(147)
(230)
(23)
(262)
(2640)
(1)
(321)
(29360)
(1)
(68)
(46)
(8)
0 of 39
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(14)
(8)
(9)
(3)
(3)
(3)
(2)
(2)
(2)
(3)
(10)
(3)
(2)
(4)
(2)
(2)
(4)
(2)
(2)
(3)
(6)
(8)
(2)
(2)
(3)
(2)
(2)
(7)
(4)
(2)
(2)
(5)
(2)
(3)
(2)
(3)
(3)
(5)
(2)
(2)
(3)
(3)
(2)
(3)
(8)
(3)
(3)
(3)
(2)
(3)
(3)
(2)
(2)
(3)
(2)
(3)
(2)
(2)
(2)
(6)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(3)
(2)
(2)
(6)
(2)
(2)
(3)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(3)
(3)
(2)
(3)
(5)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(3)
(2)
(2)
(4)
(3)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(3)
(2)
(3)
(2)
(3)
(2)
(3)
(4)
(2)
(5)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(3)
(2)
(3)
(3)
(2)
(6)
(2)
(2)
(2)
(3)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(5)
(4)
(6)
(3)
(2)
(2)
(2)
(3)
(2)
(4)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(5)
(4)
(2)
(5)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(16)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(4)
(4)
(3)
(3)
(4)
(7)
(3)
(2)
(111)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(4)
(4)
(5)
(5)
(6)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(3)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(7)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(2)
(3)
(2)
(3)
(4)
(2)
(2)
(2)
(3)
(2)
(3)
(2)
(2)
(4)
(3)
(2)
(5)
(2)
(2)
(2)
(3)
(2)
(2)
(5)
(3)
(2)
(16)
(2)
(2)
(2)
(10)
(5)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(7)
(2)
(2)
(2)
(2)
(4)
(2)
(10)
(3)
(3)
(7)
(2)
(2)
(2)
(2)
(4)
(8)
(5)
(5)
(4)
(2)
(2)
(4)
(5)
(2)
(3)
(4)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(3)
(2)
(4)
(3)
(2)
(9)
(2)
(2)
(3)
(2)
(3)
(7)
(3)
(2)
(2)
(4)
(4)
(2)
(2)
(2)
(3)
(2)
(3)
(3)
(2)
(3)
(2)
(2)
(2)
(2)
(31)
(3)
(2)
(22)
(2)
(12)
(12)
(9)
(16)
(4)
(3)
(4)
(4)
(3)
(6)
(11)
(2)
(4)
(2)
(2)
(2)
(3)
(22)
(2)
(2)
(2)
(4)
(3)
(4)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(22)
(3)
(3)
(3)
(3)
(3)
(3)
(7)
(3)
(3)
(3)
(4)
(3)
(5)
(7)
(11)
(5)
(7)
(6)
(6)
(7)
(4)
(10)
(4)
(8)
(3)
(4)
(4)
(3)
(3)
(4)
(5)
(6)
(4)
(4)
(3)
(6)
(3)
(3)
(3)
(3)
(7)
(4)
(3)
(7)
(10)
(3)
(9)
(5)
(12)
(4)
(3)
(4)
(5)
(20)
(7)
(46)
(16)
(27)
(6)
(40)
(46)
(7)
(65)
(15)
(4)
(17)
(46)
(5)
(4)
(9)
(8)
(39)
(13)
(7)
(15)
(54)
(6)
(25)
(14)
(31)
(6)
(11)
(3)
(23)
(5)
(3)
(3)
(3)
(3)
(9)
(5)
(3)
(5)
(3)
(3)
(4)
(4)
(3)
(3)
(3)
(5)
(3)
(4)
(3)
(3)
(5)
(3)
(4)
(9)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(4)
(3)
(5)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(5)
(3)
(4)
(9)
(3)
(11)
(5)
(3)
(6)
(7)
(4)
(3)
(3)
(5)
(4)
(11)
(5)
(3)
(4)
(4)
(3)
(5)
(4)
(3)
(3)
(6)
(3)
(3)
(3)
(5)
(3)
(3)
(4)
(4)
(3)
(4)
(3)
(3)
(5)
(7)
(3)
(7)
(3)
(4)
(5)
(4)
(4)
(23)
(6)
(3)
(3)
(7)
(16)
(12)
(3)
(5)
(3)
(7)
(4)
(6)
(3)
(5)
(3)
(4)
(4)
(12)
(9)
(8)
(3)
(8)
(4)
(3)
(4)
(3)
(3)
(4)
(5)
(3)
(3)
(3)
(3)
(4)
(3)
(45)
(13)
(30)
(5)
(5)
(21)
(3)
(27)
(5)
(7)
(5)
(3)
(24)
(160)
(12)
(58)
(45)
(74)
(17)
(3)
(48)
(3)
(49)
(30)
(7)
(32)
(36)
(29)
(5)
(3)
(5)
(28)
(6)
(24)
(17)
(70)
(6)
(60)
(5)
(16)
(7)
(77)
(7)
(33)
(14)
(26)
(12)
(39)
(3)
(44)
(21)
(29)
(14)
(41)
(7)
(13)
(15)
(4)
(9)
(24)
(12)
(9)
(9)
(4)
(23)
(39)
(3)
(26)
(5)
(4)
(3)
(3)
(3)
(5)
(3)
(13)
(11)
(4)
(3)
(3)
(3)
(4)
(3)
(3)
(3)
(4)
(3)
(3)
(6)
(6)
(4)
(3)
(6)
(4)
(8)
(5)
(3)
(9)
(8)
(9)
(8)
(4)
(3)
(8)
(5)
(4)
(6)
(3)
(3)
(3)
(3)
(3)
(4)
(3)
(4)
(3)
(4)
(4)
(8)
(3)
(25)
(3)
(5)
(3)
(3)
(5)
(3)
(4)
(4)
(3)
(3)
(3)
(6)
(3)
(3)
(3)
(3)
(6)
(9)
(3)
(3)
(8)
(10)
(3)
(5)
(3)
(3)
(3)
(4)
(5)
(3)
(3)
(3)
(5)
(3)
(3)
(3)
(3)
(3)
(4)
(4)
(3)
(4)
(3)
(9)
(8)
(4)
(4)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(5)
(3)
(5)
(3)
(4)
(3)
(3)
(3)
(4)
(11)
(3)
(3)
(3)
(3)
(3)
(7)
(3)
(6)
(3)
(3)
(21)
(5)
(4)
(3)
(3)
(4)
(5)
(3)
(8)
(3)
(4)
(19)
(3)
(3)
(3)
(3)
(5)
(3)
(3)
(3)
(7)
(26)
(9)
(5)
(3)
(3)
(3)
(3)
(4)
(6)
(6)
(4)
(4)
(4)
(3)
(3)
(3)
(3)
(4)
(6)
(4)
(5)
(4)
(6)
(6)
(3)
(4)
(5)
(3)
(3)
(5)
(4)
(12)
(9)
(4)
(3)
(4)
(3)
(4)
(12)
(3)
(3)
(3)
(4)
(3)
(3)
(3)
(39)
0 of 1000
(1)
(2)
(68)
(1)
(1)
(2)
(70)
(1)
(4)
(1)
(1)
(6)
(1)
(6)
(1)
(3)
(15)
(1)
(1)
(2)
(12)
(5)
(12)
(16)
(14)
(12)
0 of 26
(6)
(10)
(14)
(6)
(6)
(17)
(9)
(14)
(19)
(11)
(7)
(35)
(6)
(82)
(11)
(8)
(6)
(22)
(14)
(13)
(8)
(12)
(9)
(19)
(10)
(6)
(34)
(14)
(65)
(17)
(38)
(7)
(7)
(20)
(27)
(31)
(9)
(6)
(7)
(13)
(10)
(7)
(8)
(6)
(14)
(7)
(7)
(9)
(76)
(54)
(16)
(9)
(9)
(41)
(69)
(11)
(43)
(16)
(8)
(23)
(17)
(54)
(34)
(13)
(10)
(179)
(8)
(8)
(10)
(8)
(58)
(6)
(6)
(27)
(7)
(9)
(13)
(6)
(99)
(33)
(9)
(7)
(14)
(18)
(15)
(20)
(9)
(6)
(12)
(11)
(9)
(6)
(34)
(8)
(6)
(11)
(487)
(62)
(23)
(95)
(22)
(20)
(16)
(6)
(8)
(9)
(34)
(38)
(7)
(17)
(6)
(42)
(7)
(23)
(6)
(7)
(6)
(6)
(7)
(48)
(10)
(10)
(19)
(42)
(7)
(13)
(15)
(7)
(10)
(7)
(14)
(6)
(6)
(7)
(10)
(13)
(7)
(17)
(9)
(21)
(14)
(6)
(11)
(7)
(29)
(10)
(10)
(12)
(7)
(10)
(11)
(6)
(6)
(22)
(12)
(28)
(11)
(10)
(100)
(40)
(11)
(50)
(6)
(37)
(6)
(39)
(24)
(16)
(27)
(24)
(8)
(9)
(13)
(9)
(13)
(7)
(44)
(8)
(7)
(126)
(10)
(105)
(12)
(9)
(47)
(9)
(14)
(10)
(13)
(22)
(13)
(11)
(15)
(11)
(15)
(21)
(8)
(259)
(10)
(17)
(57)
(24)
(18)
(10)
(8)
(10)
(10)
(14)
(22)
(12)
(56)
(92)
(158)
(12)
(23)
(9)
(10)
(244)
(13)
(63)
(17)
(13)
(12)
(98)
(14)
(21)
(10)
(8)
(9)
(7)
(12)
(10)
(107)
(9)
(57)
(8)
(7)
(39)
(21)
(21)
(8)
(24)
(21)
(13)
(114)
(7)
(56)
(36)
(19)
(9)
(12)
(25)
(7)
(22)
(24)
(7)
(7)
(8)
(7)
(7)
(10)
(7)
(7)
(18)
(7)
(69)
(86)
(45)
(15)
(18)
(779)
(18)
(138)
(32)
(84)
(43)
(13)
(118)
(19)
(12)
(9)
(80)
(7)
(9)
(7)
(8)
(19)
(17)
(7)
(57)
(18)
(8)
(11)
(11)
(36)
(18)
(14)
(16)
(7)
(8)
(20)
(7)
(51)
(11)
(10)
(126)
(16)
(13)
(14)
(9)
(43)
(197)
(23)
(7)
(10)
(19)
(24)
(9)
(8)
(10)
(14)
(24)
(9)
(14)
(7)
(16)
(20)
(10)
(9)
(67)
(51)
(171)
(16)
(31)
(12)
(10)
(18)
(44)
(8)
(16)
(10)
(9)
(35)
(7)
(8)
(9)
(25)
(18)
(12)
(10)
(59)
(27)
(28)
(7)
(72)
(13)
(46)
(43)
(8)
(68)
(9)
(9)
(18)
(98)
(27)
(106)
(58)
(61)
(8)
(58)
(31)
(8)
(12)
(57)
(14)
(7)
(8)
(11)
(30)
(10)
(35)
(17)
(67)
(26)
(9)
(25)
(43)
(20)
(10)
(10)
(28)
(12)
(12)
(8)
(20)
(15)
(7)
(23)
(7)
(10)
(7)
(15)
(18)
(30)
(24)
(7)
(32)
(10)
(9)
(55)
(43)
(13)
(8)
(265)
(15)
(8)
(7)
(11)
(10)
(35)
(45)
(11)
(9)
(21)
(22)
(11)
(41)
(80)
(15)
(17)
(33)
(7)
(24)
(7)
(7)
(24)
(11)
(13)
(70)
(17)
(30)
(47)
(7)
(18)
(13)
(7)
(20)
(23)
(79)
(30)
(16)
(18)
(87)
(15)
(15)
(33)
(56)
(12)
(49)
(7)
(32)
(23)
(11)
(55)
(61)
(184)
(8)
(7)
(30)
(9)
(12)
(9)
(49)
(47)
(12)
(17)
(8)
(9)
(21)
(9)
(7)
(17)
(25)
(31)
(7)
(14)
(8)
(75)
(28)
(53)
(9)
(20)
(8)
(8)
(10)
(46)
(7)
(658)
(10)
(31)
(8)
(8)
(22)
(7)
(30)
(25)
(17)
(8)
(7)
(38)
(12)
(103)
(15)
(47)
(40)
(24)
(37)
(57)
(22)
(8)
(30)
(20)
(10)
(11)
(9)
(7)
(11)
(29)
(19)
(30)
(13)
(27)
(8)
(63)
(25)
(30)
(8)
(8)
(10)
(7)
(11)
(8)
(11)
(16)
(9)
(9)
(20)
(29)
(8)
(818)
(10)
(30)
(71)
(78)
(10)
(8)
(7)
(12)
(18)
(58)
(19)
(7)
(24)
(11)
(8)
(72)
(21)
(28)
(546)
(7)
(1408)
(65)
(49)
(30)
(23)
(8)
(11)
(50)
(7)
(10)
(52)
(9)
(9)
(13)
(53)
(7)
(9)
(54)
(9)
(7)
(10)
(9)
(8)
(8)
(20)
(15)
(9)
(16)
(8)
(7)
(9)
(111)
(124)
(11)
(31)
(18)
(9)
(9)
(21)
(7)
(21)
(252)
(8)
(249)
(24)
(21)
(25)
(8)
(9)
(29)
(8)
(7)
(39)
(15)
(23)
(7)
(7)
(17)
(17)
(31)
(8)
(44)
(19)
(75)
(332)
(72)
(72)
(12)
(36)
(41)
(14)
(15)
(14)
(71)
(8)
(14)
(16)
(12)
(9)
(1018)
(32)
(7)
(37)
(8)
(7)
(30)
(27)
(22)
(8)
(96)
(25)
(9)
(28)
(229)
(27)
(24)
(96)
(21)
(7)
(23)
(37)
(34)
(11)
(121)
(43)
(7)
(26)
(26)
(17)
(35)
(38)
(17)
(10)
(10)
(27)
(8)
(13)
(11)
(7)
(12)
(29)
(7)
(18)
(19)
(15)
(18)
(14)
(12)
(26)
(10)
(18)
(16)
(21)
(7)
(7)
(43)
(14)
(26)
(20)
(26)
(31)
(119)
(17)
(10)
(58)
(8)
(7)
(24)
(7)
(24)
(42)
(29)
(10)
(28)
(21)
(18)
(12)
(49)
(23)
(23)
(15)
(12)
(36)
(11)
(28)
(23)
(11)
(10)
(11)
(13)
(9)
(10)
(122)
(14)
(12)
(7)
(11)
(174)
(12)
(13)
(21)
(21)
(11)
(32)
(19)
(9)
(14)
(9)
(53)
(9)
(7)
(30)
(34)
(163)
(12)
(44)
(7)
(31)
(7)
(9)
(10)
(26)
(81)
(9)
(12)
(140)
(9)
(452)
(24)
(35)
(15)
(20)
(29)
(70)
(50)
(13)
(14)
(82)
(23)
(33)
(23)
(28)
(7)
(9)
(23)
(149)
(26)
(7)
(29)
(8)
(8)
(8)
(21)
(8)
(12)
(21)
(8)
(47)
(49)
(19)
(28)
(9)
(7)
(15)
(29)
(76)
(10)
(10)
(12)
(14)
(14)
(9)
(80)
(19)
(12)
(71)
(26)
(12)
(8)
(7)
(7)
(8)
(10)
(13)
(14)
(9)
(33)
(11)
(7)
(10)
(16)
(14)
(13)
(20)
(9)
(15)
(8)
(23)
(21)
(15)
(10)
(17)
(25)
(24)
(8)
(11)
(10)
(18)
(10)
(7)
(37)
(18)
(8)
(53)
(15)
(29)
(9)
(28)
(10)
(15)
(7)
(8)
(9)
(16)
(24)
(84)
(198)
(65)
(21)
(37)
(15)
(18)
(7)
(11)
(12)
(41)
(25)
(21)
(9)
(75)
(17)
(20)
(16)
(105)
(811)
(23)
(38)
(16)
(23)
(19)
(13)
(71)
(12)
(19)
(17)
(26)
(19)
(9)
(17)
(14)
(86)
(17)
(8)
(111)
(43)
(11)
(32)
(11)
(46)
(22)
(11)
(8)
(35)
(11)
(39)
(14)
(9)
(11)
(7)
(17)
(9)
(27)
(64)
(14)
(234)
(9)
(14)
(26)
(49)
(9)
(8)
(13)
(27)
(11)
(7)
(10)
(20)
(8)
(8)
(63)
(585)
(184)
(30)
(14)
(9)
(16)
(109)
(81)
(990)
(12)
(48)
(50)
(33)
(530)
(24)
(50)
(8)
(11)
(13)
(37)
(35)
(91)
(7)
(21)
(33)
(15)
(8)
(18)
(13)
(7)
(13)
(9)
(13)
(39)
(7)
(16)
(8)
(160)
(7)
(10)
(45)
(30)
(15)
(12)
(24)
(16)
(8)
(10)
(13)
(22)
0 of 1000
(5)
(13)
(3)
(5)
(3)
(18)
(9)
(4)
(2)
(7)
(45)
(17)
(7)
(38)
(68)
(26)
(20)
(74)
(9)
(18)
(15)
(3)
(4)
(4)
(8)
(14)
(2)
(28)
(8)
(4)
(2)
(3)
(3)
(17)
(13)
(152)
(14)
(113)
(11)
(10)
(13)
(15)
(5)
(6)
(3)
(3)
(8)
(3)
(6)
(2)
(64)
(16)
(2)
(3)
(3)
(10)
(13)
(3)
(2)
(5)
(2)
(4)
(2)
(2)
(3)
(2)
(3)
(3)
(2)
(2)
(2)
(4)
(2)
(283)
(26)
(2)
(31)
(14)
(2)
(139)
(7)
(8)
(17)
(2)
(3)
(2)
(2)
(8)
(3)
(2)
(11)
(2)
(8)
(12)
(17)
(2)
(17)
(2)
(10)
(2)
(2)
(4)
(4)
(4)
(3)
(37)
(4)
(3)
(28)
(4)
(29)
(14)
(783)
(5)
(4)
(4)
(12)
(78)
(6)
(4)
(20)
(115)
(34)
(40)
(3)
(78)
(3)
(5)
(3)
(47)
(20)
(4)
(5)
(14)
(29)
(66)
(4)
(31)
(3)
(6)
(14)
(4)
(6)
(7)
(10)
(22)
(3)
(16)
(3)
(3)
(10)
(33)
(7)
(4)
(3)
(7)
(24)
(8)
(4)
(395)
(17)
(10)
(11)
(4)
(15)
(205)
(6)
(3)
(109)
(315)
(93)
(14)
(5)
(8)
(16)
(3)
(3)
(15)
(10)
(30)
(129)
(62)
(38)
(50)
(7)
(33)
(3)
(13)
(6)
(7)
(5)
(12)
(4)
(3)
(3)
(11)
(3)
(3)
(72)
(6)
(5)
(31)
(14)
(265)
(3)
(8)
(72)
(23)
(8)
(46)
(20)
(24)
(190)
(46)
(10)
(5)
(3)
(3)
(6)
(51)
(46)
(4)
(4)
(7)
(52)
(8)
(35)
(3)
(79)
(247)
(6)
(31)
(15)
(13)
(270)
(32)
(5)
(17)
(3)
(3)
(3)
(42)
(4)
(8)
(49)
(24)
(41)
(15)
(269)
(103)
(91)
(3)
(4)
(13)
(18)
(7)
(8)
(14)
(3)
(4)
(8)
(7)
(3)
(4)
(18)
(6)
(3)
(4)
(23)
(4)
(31)
(7)
(872)
(18)
(138)
(58)
(14)
(60)
(7)
(88)
(48)
(3)
(21)
(7)
(150)
(7)
(3)
(13)
(27)
(9)
(25)
(6)
(94)
(66)
(26)
(9)
(16)
(6)
(63)
(5)
(3)
(5)
(9)
(40)
(24)
(3)
(7)
(4)
(11)
(75)
(43)
(24)
(25)
(40)
(14)
(53)
(20)
(4)
(120)
(24)
(75)
(4)
(11)
(56)
(39)
(5)
(53)
(21)
(38)
(229)
(262)
(35)
(21)
(181)
(11)
(54)
(3)
(3)
(32)
(94)
(31)
(5)
(14)
(5)
(55)
(89)
(10)
(42)
(140)
(5)
(171)
(118)
(21)
(18)
(19)
(45)
(7)
(15)
(4)
(4)
(43)
(3)
(5)
(16)
(72)
(4)
(22)
(9)
(6)
(4)
(152)
(12)
(7)
(6)
(9)
(97)
(107)
(7)
(8)
(5)
(91)
(4)
(3)
(5)
(4)
(6)
(63)
(100)
(32)
(3)
(78)
(15)
(110)
(105)
(19)
(4)
(13)
(8)
(4)
(27)
(22)
(4)
(9)
(75)
(5)
(69)
(8)
(15)
(3)
(8)
(3)
(13)
(30)
(30)
(51)
(5)
(20)
(3)
(3)
(53)
(4)
(4)
(104)
(86)
(3)
(17)
(95)
(59)
(3)
(160)
(19)
(3)
(25)
(26)
(10)
(3)
(86)
(102)
(26)
(40)
(17)
(12)
(22)
(5)
(14)
(7)
(6)
(79)
(5)
(3)
(7)
(12)
(59)
(13)
(7)
(17)
(47)
(7)
(8)
(10)
(8)
(27)
(61)
(60)
(15)
(9)
(9)
(13)
(4)
(9)
(4)
(5)
(11)
(22)
(12)
(3)
(38)
(3)
(46)
(13)
(8)
(10)
(4)
(3)
(11)
(7)
(10)
(3)
(59)
(90)
(17)
(191)
(20)
(87)
(66)
(8)
(3)
(7)
(7)
(4)
(6)
(62)
(222)
(28)
(7)
(10)
(8)
(3)
(3)
(5)
(18)
(6)
(19)
(3)
(21)
(25)
(4)
(9)
(66)
(25)
(10)
(64)
(20)
(3)
(203)
(23)
(39)
(199)
(250)
(35)
(37)
(4)
(28)
(78)
(16)
(21)
(4)
(4)
(10)
(4)
(7)
(16)
(13)
(32)
(3)
(72)
(52)
(4)
(8)
(6)
(3)
(4)
(14)
(43)
(512)
(6)
(6)
(5)
(6)
(5)
(13)
(5)
(9)
(14)
(7)
(4)
(12)
(5)
(4)
(3)
(4)
(4)
(7)
(107)
(14)
(35)
(5)
(89)
(40)
(18)
(17)
(19)
(3)
(34)
(19)
(4)
(30)
(21)
(115)
(106)
(7)
(10)
(18)
(4)
(78)
(3)
(18)
(200)
(4)
(5)
(4)
(3)
(3)
(4)
(3)
(10)
(3)
(3)
(21)
(3)
(141)
(12)
(12)
(6)
(583)
(211)
(6)
(11)
(16)
(12)
(4)
(66)
(22)
(5)
(436)
(1406)
(38)
(3)
(5)
(394)
(3)
(68)
(88)
(9)
(4)
(4)
(31)
(10)
(5)
(53)
(11)
(4)
(3)
(14)
(53)
(4)
(10)
(3)
(6)
(128)
(3)
(11)
(4)
(3)
(33)
(3)
(8)
(4)
(3)
(5)
(10)
(3)
(11)
(3)
(3)
(17)
(7)
(11)
(21)
(3)
(21)
(100)
(151)
(9)
(26)
(3)
(4)
(10)
(36)
(3)
(5)
(21)
(3)
(4)
(388)
(10)
(452)
(3)
(22)
(14)
(3)
(6)
(11)
(3)
(7)
(4)
(3)
(25)
(181)
(8)
(25)
(19)
(22)
(5)
(37)
(20)
(12)
(77)
(5)
(29)
(81)
(132)
(4)
(76)
(645)
(12)
(10)
(4)
(54)
(5)
(18)
(3)
(6)
(69)
(3)
(13)
(36)
(4)
(3)
(17)
(4)
(10)
(25)
(11)
(3)
(6)
(6)
(20)
(6)
(9)
(15)
(5)
(19)
(94)
(31)
(3)
(5)
(18)
(3)
(15)
(9)
(9)
(20)
(3)
(43)
(6)
(903)
(4)
(33)
(3)
(6)
(4)
(3)
(8)
(38)
(41)
(10)
(8)
(3)
(9)
(3)
(11)
(55)
(26)
(109)
(57)
(18)
(5)
(3)
(96)
(3)
(178)
(8)
(4)
(34)
(156)
(39)
(25)
(87)
(17)
(11)
(9)
(7)
(46)
(5)
(7)
(5)
(3)
(6)
(38)
(70)
(11)
(4)
(19)
(135)
(6)
(140)
(111)
(15)
(7)
(6)
(5)
(32)
(15)
(8)
(7)
(12)
(7)
(6)
(5)
(65)
(3)
(8)
(18)
(5)
(7)
(18)
(37)
(3)
(7)
(46)
(4)
(5)
(13)
(12)
(4)
(28)
(3)
(5)
(8)
(7)
(6)
(3)
(4)
(7)
(33)
(42)
(5)
(8)
(5)
(12)
(8)
(3)
(9)
(18)
(8)
(3)
(11)
(7)
(4)
(3)
(13)
(6)
(4)
(3)
(4)
(3)
(489)
(4)
(4)
(4)
(3)
(5)
(12)
(5)
(9)
(18)
(11)
(105)
(5)
(12)
(44)
(11)
(12)
(4)
(4)
(12)
(42)
(3)
(11)
(9)
(3)
(4)
(14)
(4)
(6)
(15)
(30)
(3)
(10)
(9)
(3)
(3)
(8)
(4)
(14)
(18)
(46)
(5)
(12)
(3)
(93)
(4)
(11)
(5)
(3)
(30)
(5)
(4)
(94)
(577)
(28)
(38)
(9)
(10)
(34)
(5)
(9)
(9)
(4)
(9)
(10)
(6)
(100)
(13)
(9)
(3)
(5)
(5)
(3)
(4)
(3)
(5)
(298)
(17)
(67)
(6)
(41)
(13)
(51)
(37)
(130)
(51)
(9)
(19)
(17)
(61)
(3)
(14)
(186)
(1782)
(21)
(3)
(11)
(47)
(99)
(21)
(28)
(80)
(3)
(21)
(10)
(3)
(18)
(6)
(7)
(3)
(4)
(4)
(17)
(6)
(5)
(36)
(41)
(3)
(4)
(62)
(59)
(96)
(70)
(7)
(24)
(4)
(46)
(21)
(4)
(102)
(25)
(3)
(10)
0 of 1000
(130)
(61)
(68)
(81)
(95)
(214)
(61)
(158)
(68)
(65)
(176)
(70)
(78)
(124)
(267)
(128)
(164)
(244)
(144)
(163)
(150)
(71)
(442)
(86)
(105)
(78)
(346)
(159)
(229)
(158)
(201)
(227)
(112)
(236)
(186)
(98)
(116)
(103)
(216)
(70)
(64)
(217)
(291)
(65)
(360)
(89)
(182)
(486)
(73)
(337)
(75)
(317)
(199)
(106)
(214)
(75)
(75)
(311)
(251)
(460)
(625)
(63)
(280)
(69)
(215)
(170)
(224)
(192)
(264)
(290)
(105)
(303)
(74)
(63)
(206)
(280)
(197)
(150)
(230)
(327)
(648)
(140)
(62)
(741)
(96)
(321)
(65)
(69)
(75)
(90)
(130)
(137)
(78)
(213)
(137)
(78)
(61)
(130)
(62)
(64)
(138)
(79)
(358)
(897)
(462)
(83)
(134)
(189)
(72)
(176)
(116)
(109)
(108)
(1145)
(294)
(134)
(80)
(64)
(67)
(176)
(67)
(120)
(107)
(172)
(87)
(69)
(342)
(194)
(99)
(74)
(64)
(754)
(69)
(156)
(181)
(71)
(107)
(65)
(116)
(88)
(115)
(169)
(75)
(65)
(114)
(91)
(252)
(105)
(65)
(151)
(213)
(200)
(85)
(105)
(65)
(104)
(90)
(112)
(171)
(69)
(185)
(106)
(257)
(198)
(88)
(206)
(578)
(86)
(437)
(64)
(144)
(134)
(612)
(99)
(64)
(215)
(101)
(91)
(80)
(367)
(556)
(115)
(108)
(256)
(75)
(152)
(104)
(73)
(86)
(173)
(62)
(161)
(140)
(87)
(67)
(384)
(91)
(74)
(499)
(117)
(775)
(330)
(204)
(671)
(91)
(204)
(101)
(122)
(780)
(293)
(68)
(95)
(76)
(308)
(96)
(101)
(208)
(351)
(94)
(88)
(123)
(63)
(241)
(64)
(99)
(171)
(70)
(679)
(183)
(1755)
(67)
(175)
(79)
(82)
(68)
(119)
(101)
(427)
(488)
(257)
(63)
(182)
(158)
(106)
(184)
(73)
(63)
(74)
(178)
(100)
(119)
(151)
(889)
(100)
(104)
(81)
(81)
(104)
(256)
(140)
(102)
(95)
(115)
(112)
(118)
(266)
(75)
(85)
(82)
(66)
(392)
(72)
(79)
(168)
(121)
(66)
(131)
(545)
(93)
(83)
(68)
(73)
(156)
(71)
(205)
(64)
(128)
(79)
(70)
(344)
(213)
(198)
(81)
(282)
(73)
(70)
(268)
(79)
(213)
(65)
(124)
(63)
(69)
(172)
(206)
(61)
(145)
(72)
(115)
(343)
(88)
(721)
(89)
(110)
(82)
(97)
(178)
(110)
(154)
(63)
(98)
(147)
(1537)
(802)
(219)
(74)
(223)
(61)
(76)
(96)
(141)
(179)
(158)
(1103)
(83)
(198)
(109)
(135)
(79)
(79)
(376)
(93)
(78)
(177)
(63)
(81)
(64)
(151)
(187)
(361)
(1014)
(379)
(90)
(466)
(577)
(107)
(84)
(407)
(146)
(69)
(172)
(265)
(70)
(429)
(77)
(103)
(74)
(67)
(85)
(417)
(167)
(86)
(104)
(101)
(257)
(500)
(148)
(105)
(91)
(194)
(96)
(75)
(67)
(117)
(539)
(78)
(95)
(133)
(217)
(197)
(92)
(169)
(343)
(404)
(253)
(95)
(110)
(171)
(181)
(72)
(210)
(709)
(65)
(113)
(179)
(141)
(76)
(83)
(96)
(105)
(84)
(69)
(64)
(142)
(125)
(97)
(113)
(268)
(209)
(147)
(95)
(375)
(365)
(185)
(276)
(1446)
(195)
(70)
(114)
(2507)
(260)
(532)
(184)
(331)
(99)
(312)
(91)
(67)
(87)
(78)
(62)
(83)
(126)
(65)
(79)
(67)
(143)
(62)
(206)
(145)
(64)
(68)
(90)
(85)
(114)
(145)
(195)
(63)
(677)
(206)
(98)
(200)
(105)
(132)
(118)
(233)
(94)
(593)
(500)
(170)
(499)
(138)
(137)
(753)
(286)
(75)
(168)
(114)
(67)
(107)
(381)
(168)
(102)
(131)
(130)
(85)
(95)
(70)
(88)
(901)
(315)
(170)
(72)
(98)
(185)
(65)
(104)
(195)
(83)
(137)
(183)
(246)
(67)
(72)
(108)
(935)
(176)
(85)
(189)
(343)
(71)
(140)
(87)
(62)
(187)
(120)
(133)
(63)
(69)
(90)
(118)
(189)
(554)
(295)
(126)
(105)
(94)
(158)
(419)
(130)
(105)
(86)
(91)
(84)
(99)
(385)
(90)
(450)
(206)
(198)
(81)
(69)
(127)
(72)
(80)
(194)
(123)
(72)
(98)
(398)
(90)
(133)
(179)
(93)
(113)
(707)
(84)
(140)
(197)
(463)
(192)
(98)
(159)
(222)
(80)
(480)
(68)
(115)
(241)
(315)
(262)
(73)
(163)
(79)
(86)
(126)
(104)
(65)
(84)
(364)
(88)
(69)
(75)
(98)
(176)
(405)
(370)
(135)
(113)
(394)
(62)
(121)
(79)
(102)
(98)
(88)
(81)
(214)
(88)
(272)
(601)
(351)
(103)
(157)
(591)
(270)
(1312)
(950)
(210)
(102)
(104)
(66)
(66)
(348)
(109)
(267)
(314)
(88)
(104)
(563)
(113)
(145)
(614)
(328)
(89)
(67)
(222)
(105)
(66)
(90)
(140)
(78)
(73)
(231)
(171)
(133)
(91)
(353)
(443)
(343)
(84)
(252)
(82)
(83)
(94)
(135)
(400)
(233)
(89)
(246)
(75)
(92)
(229)
(193)
(68)
(87)
(65)
(62)
(218)
(74)
(115)
(138)
(292)
(99)
(100)
(211)
(70)
(155)
(134)
(132)
(1055)
(81)
(278)
(370)
(62)
(170)
(140)
(85)
(118)
(172)
(176)
(115)
(71)
(269)
(389)
(83)
(106)
(73)
(101)
(77)
(108)
(285)
(186)
(667)
(80)
(399)
(107)
(94)
(203)
(79)
(227)
(245)
(322)
(220)
(182)
(144)
(131)
(90)
(129)
(203)
(69)
(254)
(219)
(486)
(1141)
(148)
(330)
(93)
(64)
(84)
(111)
(94)
(140)
(120)
(199)
(69)
(193)
(117)
(67)
(181)
(159)
(102)
(339)
(113)
(488)
(267)
(102)
(122)
(287)
(109)
(114)
(139)
(90)
(93)
(91)
(64)
(79)
(134)
(355)
(386)
(284)
(96)
(97)
(401)
(626)
(473)
(63)
(152)
(93)
(84)
(71)
(205)
(96)
(106)
(76)
(138)
(113)
(101)
(126)
(85)
(85)
(76)
(373)
(419)
(68)
(189)
(66)
(162)
(62)
(200)
(87)
(310)
(106)
(695)
(143)
(124)
(118)
(103)
(109)
(69)
(145)
(118)
(111)
(108)
(468)
(63)
(66)
(304)
(90)
(262)
(143)
(453)
(202)
(100)
(185)
(106)
(147)
(252)
(728)
(84)
(80)
(80)
(83)
(256)
(103)
(444)
(175)
(1048)
(134)
(241)
(162)
(95)
(608)
(74)
(88)
(95)
(65)
(149)
(99)
(91)
(267)
(90)
(96)
(295)
(62)
(75)
(68)
(257)
(73)
(189)
(74)
(183)
(95)
(1315)
(304)
(287)
(615)
(142)
(64)
(302)
(157)
(96)
(146)
(93)
(209)
(164)
(85)
(66)
(358)
(164)
(611)
(96)
(149)
(78)
(89)
(132)
(70)
(106)
(69)
(62)
(139)
(270)
(74)
(595)
(226)
(65)
(257)
(130)
(920)
(364)
(165)
(99)
(107)
(488)
(113)
(86)
(187)
(130)
(85)
(77)
(219)
(109)
(62)
(62)
(1034)
(147)
(74)
(140)
(247)
(248)
(263)
(214)
(183)
(72)
(274)
(341)
(90)
(127)
(90)
(84)
(541)
(90)
(97)
(136)
(190)
(94)
(75)
(80)
(86)
(1339)
(202)
(297)
(141)
(62)
(86)
(340)
(412)
(127)
(155)
(157)
(431)
(81)
(229)
(123)
(99)
(78)
(138)
(223)
(69)
(369)
(120)
(87)
(126)
(74)
(493)
(99)
(131)
(226)
(77)
(64)
(62)
(225)
(149)
(142)
(73)
(73)
(68)
(103)
(64)
(437)
(111)
(67)
(137)
(126)
(104)
(190)
(66)
(101)
(104)
(92)
(137)
(107)
(78)
(91)
(94)
(117)
(101)
(103)
(63)
(113)
(81)
(121)
(125)
(156)
(81)
(89)
(98)
(267)
(141)
(149)
(142)
(71)
(293)
(171)
(312)
(252)
(297)
(82)
(157)
(66)
0 of 1000
(2)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(5)
(5)
(4)
(4)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(3)
(2)
(2)
(2)
(2)
(8)
(2)
(2)
(2)
(6)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(6)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(6)
(9)
(6)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(3)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(3)
(19)
(4)
(2)
(2)
(3)
(2)
(6)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(3)
(2)
(4)
(3)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(4)
(2)
(4)
(7)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(7)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(11)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(11)
(12)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(5)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(4)
(2)
(2)
(18)
(2)
(5)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(3)
(3)
(2)
(3)
(3)
(2)
(3)
(2)
(2)
(3)
(3)
(2)
(2)
(3)
(2)
(3)
(2)
(3)
(5)
(2)
(3)
(2)
(3)
(3)
(3)
(2)
(3)
(3)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(4)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(4)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(4)
(3)
(3)
(4)
(4)
(11)
(3)
(7)
(3)
(4)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(8)
(3)
(3)
(4)
(3)
(3)
(4)
(5)
(3)
(4)
(3)
(3)
(3)
(3)
(3)
(5)
(3)
(4)
(4)
(3)
(7)
(5)
(3)
(6)
(7)
(3)
(6)
(3)
(5)
(7)
(3)
(3)
(3)
(3)
(10)
(8)
(3)
(3)
(3)
(5)
(4)
(3)
(3)
(9)
(9)
(3)
(3)
(5)
(3)
(3)
(8)
(3)
(3)
(3)
(5)
(7)
(12)
0 of 1000
Showing 2221 - 2240 of 36873 results
  • Evaluation of Attachments to Concrete Barrier Systems to Deter PedestriansVolume 2 Crash Report
    Evaluation of Attachments to Concrete Barrier Systems to Deter Pedestrians—Volume 2: Crash Report
    Silvestri-Dobrovolny, Chiara ;
    Bligh, Roger
    2023-08-01 | PDF
    The purpose of the tests reported herein was to assess the performance of prioritized attachments to concrete barrier systems according to the safety-performance evaluation guidelines included in the American Association of State Highway and Transportation Officials Manual for Assessing Safety Hardware (MASH), Second Edition. The crash tests for th ...
  • Effect of Low and Moderate Recycled Concrete Aggregate Replacement Levels on Concrete Properties
    Effect of Low and Moderate Recycled Concrete Aggregate Replacement Levels on Concrete Properties
    Lederle, Rita ;
    Selin, Evan
    2023-08-01 | PDF
    This research investigated the effects of incorporating recycled concrete aggregate (RCA) at low replacement levels on the properties of concrete. Four different RCA sources were used, each with different aggregate properties. For each source, replacement levels of 5, 10, and 15% were tested and compared to a control group, which had no RCA. Of the ...
  • Achieving Efficiencies Within ODOT With the Event Streaming Platform
    Achieving Efficiencies Within ODOT With the Event Streaming Platform
    Crow, Mallory ;
    Avery, Paul A
    2023-08-01 | PDF
    The goal of this research is to achieve efficiencies within ODOT for the Event Streaming Platform (ESP). This research queried potential Use Case data from several of the divisions and two of the districts at ODOT with the goal of identifying current tasks that may benefit from automation, tasks that are redundant or use multiple systems to draw a ...
  • Assessment of Transportation Systems Resilience for Vulnerable Communities and Populations Summary
    Assessment of Transportation Systems Resilience for Vulnerable Communities and Populations [Summary]
    Carver, Jennifer Z ;
    Abdelrazig, Yassir
    2023-08-01 | PDF
    This research aimed to develop decision support tools for transportation systems resilience planning pertaining to three vulnerable populations—older adults, ethnic minority groups, and rural populations. Also, it provided resilience policy and planning recommendations for transportation systems to improve the outcomes for vulnerable communities an ...
  • Synthesis of Galvanized Steel Reinforcement Corrosion Performance Summary
    Synthesis of Galvanized Steel Reinforcement Corrosion Performance [Summary]
    Simmons, Ronald ;
    Alexander, Christopher
    2023-08-01 | PDF
    This research was a synthesis of technical literature to help determine whether to allow the use of HDGR to increase durability.
  • Optimizing Reinforcing Steel in 12In and 13In Continuously Reinforced Concrete Pavement CRCP
    Optimizing Reinforcing Steel in 12-In and 13-In Continuously Reinforced Concrete Pavement (CRCP)
    Lee, Heejun ;
    Koirala, Niwesh
    2023-08-01 | PDF
    The performance of continuously reinforced concrete pavement (CRCP) in Texas has been excellent. However, truck traffic in Texas has been increasing, which required thicker slabs. Since TxDOT placed steel at the mid-depth of the slab, the use of thicker slabs increased the distance between top of the slab and longitudinal steel. This increase resul ...
  • Valuation Methodology and Framework for Estimation of RightofWay Value
    Valuation Methodology and Framework for Estimation of Right-of-Way Value
    Kraus, Edgar ;
    Holik, William
    2023-08-01 | PDF
    TxDOT manages over one million acres of right-of-way, which is used by a variety of third parties to install facilities such as utilities, saltwater pipelines, and small cell nodes. Third parties include common carriers, who install facilities for public use, and private parties, who install facilities for private use. Common carriers access the ri ...
  • Literature Review Synthesizing the Current and Potential ATMA Applications
    Literature Review Synthesizing the Current and Potential ATMA Applications
    Miller, Erika ;
    Young, Chandler
    2023-08-01 | PDF
    There are numerous applications of the Autonomous Maintenance Technology (AMT) that have yet to be fully utilized or widely shared. There are many slow-moving operations conducted by Departments of Transportation (DOTs) with an attenuator (e.g., work zone set up, operations, take down, repairs, mowing, sweeping), platooning of two or more vehicles ...
  • Determining Sample Measures of Distracted Driving Distracted Pedestrian Activities and Impacts of Such Behavior on Traffic Operations at Signalized Intersections Brief
    Determining Sample Measures of Distracted Driving, Distracted Pedestrian Activities and Impacts of Such Behavior on Traffic Operations at Signalized Intersections [Brief]
    Ballard, Tricia (Labud) ;
    Abou-Senna, Hatem
    2023-08-01 | PDF
    How much time is lost due to traveler distraction? Florida law prohibits texting while a vehicle is moving, but how much travel delay is caused by drivers looking at their phone while stopped at a traffic light or a pedestrian responding to a text message while traversing a crosswalk?
  • Traffic Safety Facts 2021 Data Older Population
    Traffic Safety Facts 2021 Data: Older Population
    United States. Department of Transportation. National Highway Traffic Safety Administration. National Center for Statistics and Analysis
    2023-08-01 | PDF
    In 2021 there were 7,489 people 65 and older killed in traffic crashes in the United States, accounting for 17 percent of all traffic fatalities. From 2020 to 2021 there was a 14-percent increase in the number of people 65 and older killed in traffic crashes. In 2021 there were 55.8 million people—17 percent of the total U.S. population—who were 65 ...
  • Centering the Margins The Transportation Experience of Underserved Communities
    Centering the Margins: The Transportation Experience of Underserved Communities
    Fan, Yingling ;
    Greenberg, Gillian
    2023-08-01 | PDF
    Transportation systems, as integral parts of human settlements, reflect the societal structures and cultural ideologies influenced predominantly by the dominant race or class. In the absence of prioritizing the transportation needs of underserved communities, transportation systems may perpetuate systematic inequities. This study aims to address th ...
  • Assessment of the Infrastructure Readiness for Connected Vehicle to Infrastructure Applications on Arterial Streets Summary
    Assessment of the Infrastructure Readiness for Connected Vehicle to Infrastructure Applications on Arterial Streets [Summary]
    Vollmer, Derek ;
    Hadi, Mohammad
    2023-08-01 | PDF
    Connected vehicles (CV) are the future. To be safe, modern CVs must communicate with the infrastructure around them. Therefore, the Florida Department of Transportation (FDOT) needs to establish requirements for CV applications used in conjunction with roadside equipment (RSE) like signal controllers.
  • Evaluation of Slurry Spreaders and Plows Underbody Wing and TwoWay Reversible
    Evaluation of Slurry Spreaders and Plows (Underbody, Wing and Two-Way Reversible)
    Hirt, Brian ;
    Waidley, Greg
    2023-08-01 | PDF
    MnDOT evaluated five pieces of new winter maintenance equipment: two slurry spreaders, an underbody scraper, a true-float wing plow and a two-way reversible plow. For Winter 1 of the evaluation program, all equipment was acquired, installed, and field-tested in MnDOT District 2. For Winter 2, a data collection program was developed to capture quant ...
  • Evaluation of Jobsite Cylinder Curing Practices for the Alabama Concrete Industry
    Evaluation of Jobsite Cylinder Curing Practices for the Alabama Concrete Industry
    White, Jackson L ;
    Fleming, Kyle R
    2023-08-01 | PDF
    The effect of initial curing temperature and duration on the 28-day compressive strength of concrete was experimentally evaluated. Concrete cylinders were cured at six initial curing temperatures (60, 68, 78, 84, 90, and 100 ⁰F) for three different initial curing durations (24, 48, and 72 hours). After the initial curing duration was complete, the ...
  • WSDOT Maintenance Performance Measure Algorithms
    WSDOT Maintenance Performance Measure Algorithms
    Shrestha, Kishor
    ORCID ICON IMG
    2023-08-01 | PDF
    This research project focuses on deteriorating roadway asset conditions, emphasizing the challenges encountered by the roadway maintenance division of the Washington State Department of Transportation (WSDOT). The project goal is to develop algorithms for prediction models that will forecast the levels of service (LOS) performance conditions of six ...
  • Deep Learning Software for Traffic State Prediction
    Deep Learning Software for Traffic State Prediction
    Bhattacharya, Sambit ;
    Park, Hyoshin
    2023-08-01 | PDF
    As urban populations continue to grow, traffic congestion has become an increasingly pressing issue for drivers, leading to a greater demand for advanced navigation aids and traffic management solutions. Real-time traffic information, advanced traffic signal control strategies, and the integration of various data sources can play a crucial role in ...
  • Investigate Potential Connected and Automated Vehicle CAV Liability Issues Within TxDOT Project Summary
    Investigate Potential Connected and Automated Vehicle (CAV) Liability Issues Within TxDOT [Project Summary]
    Stoeltje, Gretchen ;
    Hwang, Billy
    2023-07-31 | PDF
    This project is one of the first CAV research projects focused on liability issues from a state department of transportation perspective. The research team was a collaboration between the Texas A&M Transportation Institute and Stantec. Six research tasks were conducted to identify potential tort liability from the deployment of CAV technologies. A ...
  • Working With Autonomous Trucks To Improve Routine Maintenance Operations Research Brief
    Working With Autonomous Trucks To Improve Routine Maintenance Operations [Research Brief]
    Chin, Kristie ;
    Gold, Andrea
    2023-07-31 | PDF
    The aim of Project 0-7129 was to demonstrate that AV trucking data can be effectively ingested and reported to TxDOT maintenance personnel, improving operational efficiency. Texas leads the nation in AV testing and deployment, with significant stakeholder support for the IRMF’s potential to reduce reporting latency and improve geographical and seve ...
  • Intelligent Transportation Systems Security Control Set Template and Instructions
    Intelligent Transportation Systems Security Control Set Template and Instructions
    Gabel, Randy ;
    Sames, Christina
    2023-07-31 | PDF
    This document is a template and instructions for developing control sets for ITS physical objects (systems and devices) as defined in Architecture Reference for Cooperative and Intelligent Transportation (ARC-IT). The control sets can be provided to developers and can be used to identify requirements for developing and assessing physical objects. T ...
  • Development of a Fatigue Testing Protocol for Supporting Integrated Design of Asphalt Pavement
    Development of a Fatigue Testing Protocol for Supporting Integrated Design of Asphalt Pavement
    Solaimanian, Mansour ;
    Sahraei, Ali
    2023-07-28 | PDF
    This research study was sponsored by PennDOT and US DOT Transportation Research Center to evaluate the potential of the Hamburg wheel tracking device (HWTD) in determining the mix quality in terms of fatigue cracking resistance. The research work included applying changes to HWTD, developing the test setup and the experimental plan, conducting the ...
2221 - 2240 / 36873
 Found an issue?
Send us an email at: publishinghd@cdc.gov