No. 11, December 1957: Crash-barrier tests on multiflora rose hedges, by Russell R. Skelton; Traffic and travel trends, 1956, by Thomas B. Dimmick; Table: State legal maximum limits of motor vehicle sizes and weights compared with AASHO standards; How access control affects accident experience, by Charles W. Prisk
No. 10, October 1957: A comparison of methods used for measuring variations in loads, transferred through vehicle tires to the road surface, by Richard C. Hopkins and Howard H. Boswell; Tests of concrete containing portland blast-furnace slag cement, by William E. Grieb and George Werner; Relation between gross weights of motor trucks and their hor
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No. 9, August 1957: Driver behavior related to types and widths of shoulders on two-lane highways, by Asriel Taragin; The AE-55 indicator used for determining air content of concrete, by William E. Grieb; A study of traffic characteristics in suburban residential areas, by William L. Mertz; The behavior of red lead-iron oxide primers when exposed d
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No. 8, June 1957: Stopping ability of motor vehicles selected from the general traffic, by F. William Petring; New publications: Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects; First Progress Report of the Highway Cost Allocation Study; Errata
No. 7, April 1957. Financial planning for an expanded highway program, by G.P. St. Clair and Thomas R. Todd; Applications of electrical resistivity measurements to subsurface investigations, by R. Woodward Moore; A study of factors related to urban travel, by William L. Mertz and Lamelle B. Hamner; Behavior of riveted connections in truss-type memb
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No. 6, February 1957: Studies relating to the testing of fly ash for use in concrete, by Russell H. Brink and Woodrow J. Halstead; New publication: Standard Plans for Highway Bridge Superstructures (1956 edition); Use of fly ash in concrete, by Albert G. Timms and William E. Grieb; Labor usage in highway construction as influenced by improved equip
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The Project Agreements between the International Cooperation Administration (ICA) and the governments of Turkey, Iraq, and Iran provide for a reconnaissance survey of two routes: one from Cizre, Turkey, via Silopi to Zakho, Iraq; the other from Sivelan, Turkey, via Bicirge, Turkey, and Rezaiyeh, Iran, around the southern end of Lake Urmia to connec
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