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Federal Highway Administration

This collection contains reports and resources from the Federal Highway Administration (FHWA). Bookmark this collection: https://rosap.ntl.bts.gov/collection_fhwa or https://doi.org/10.21949/1530833.

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1 - 20 of 24 Results

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Impact of Intersection Angle on Highway Safety

CITE Title : Impact of Intersection Angle on Highway Safety Creator(s) : Harkey, David L.;Lan, Bo;Srinivasan, Raghavan;Kumfer, Wesley;Carter, Daniel;Nujjetty, Anusha patel; Corporate Creator(s) : United States. Federal Highway Administration. Office of Safety Research and Development Corporate Contributor(s) : University of North Carolina (System). Highway Safety Research Center Contributor(s) : Tan, Carol;Eigen, Ana Maria; Published Date : 2021-01-01 Report Number : FHWA-HRT-20-067 URL : /view/dot/54782 "Impact of Intersection Angle" (2021). "Impact of Intersection Angle on Highway Safety" (2021) "Impact of Intersection Angle on Highway Safety" , 2021 Export RIS Citation Information.

:

Harkey, David L. ;

Lan, Bo

2021-01-01

:

The preferred design for conventional intersections includes adjacent legs that intersect at 90 degrees. However, there are occasions when physical co...
Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide

CITE Title : Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide Creator(s) : Porter, Richard J.;Le, Thanh;Gross, Frank B.;Carter, Daniel;Saleem, Taha;Srinivasan, Raghavan; Corporate Creator(s) : United States. Federal Highway Administration Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc. Contributor(s) : Amjadi, Roya;Scurry, Karen; Published Date : 2020-11-01 Report Number : FHWA-HRT-20-053 URL : /view/dot/54784 "Contributing Factors for Focus" (2020). "Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide" (2020) "Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide" , 2020 Export RIS Citation Information.

:

Porter, Richard J. ;

Le, Thanh

2020-11-01

:

This document serves as a quick reference guide for transportation professionals in State and local agencies that are interested in applying a systemi...
Contributing Factors for Focus Crash and Facility Types

CITE Title : Contributing Factors for Focus Crash and Facility Types Creator(s) : Saleem, Taha;Porter, Richard J.;Srinivasan, Raghavan;Carter, Daniel;Himes, Scott;Le, Thanh; Corporate Creator(s) : United States. Federal Highway Administration Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc. Contributor(s) : Amjadi, Roya;Scurry, Karen; Published Date : 2020-11-01 Report Number : FHWA-HRT-20-052 URL : /view/dot/54786 "Contributing Factors for Focus" (2020). "Contributing Factors for Focus Crash and Facility Types" (2020) "Contributing Factors for Focus Crash and Facility Types" , 2020 Export RIS Citation Information.

:

Saleem, Taha ;

Porter, Richard J.

2020-11-01

:

The main goal of this project was to identify focus crash and facility types (FCFTs) and associated contributing factors to better inform applications...
Safety Evaluation of Flashing Yellow Arrow at Signalized Intersections

CITE Title : Safety Evaluation of Flashing Yellow Arrow at Signalized Intersections Creator(s) : Srinivasan, Raghavan;Lan, Bo;Carter, Daniel;Smith, Sarah;Signor, Kari; Corporate Creator(s) : VHB/Vanasse Hangen Brustlin, Inc.;University of North Carolina. Highway Safety Research Center; Corporate Contributor(s) : United States. Federal Highway Administration. Office of Safety Research and Development Contributor(s) : Amjadi, Roya Published Date : 2020-08-01 Report Number : FHWA-HRT-19-036 URL : /view/dot/51750 "Safety Evaluation of Flashing" (2020). "Safety Evaluation of Flashing Yellow Arrow at Signalized Intersections" (2020) "Safety Evaluation of Flashing Yellow Arrow at Signalized Intersections" , 2020 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Lan, Bo

2020-08-01

:

This study evaluated the safety effect of the flashing yellow arrow (FYA) treatment at signalized intersections. The major objective of this strategy ...
Safety Evaluation of Flashing Yellow Arrows at Signalized Intersections [techbrief]

CITE Title : Safety Evaluation of Flashing Yellow Arrows at Signalized Intersections [techbrief] Creator(s) : Srinivasan, Raghavan;Lan, Bo;Carter, Daniel;Smith, Sarah;Signor, Kari; Corporate Creator(s) : United States. Federal Highway Administration. Office of Safety Research and Development Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc. Contributor(s) : Amjadi, Roya Published Date : 2020-06-01 Report Number : FHWA-HRT-19-035 URL : /view/dot/49718 "Safety Evaluation of Flashing" (2020). "Safety Evaluation of Flashing Yellow Arrows at Signalized Intersections [techbrief]" (2020) "Safety Evaluation of Flashing Yellow Arrows at Signalized Intersections [techbrief]" , 2020 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Lan, Bo

2020-06-01

:

This study investigated the safety effectiveness of the flashing yellow arrow (FYA) treatment at signalized intersections. One objective of this strat...
Safety Evaluation of Pedestrian Countdown Signals [techbrief]

CITE Title : Safety Evaluation of Pedestrian Countdown Signals [techbrief] Creator(s) : Srinivasan, Raghavan;Lan, Bo;Carter, Daniel;Smith, Sarah;Signor, Kari;Persaud, Bhagwant; Corporate Creator(s) : United States. Federal Highway Administration. Office of Research, Development, and Technology Corporate Contributor(s) : Turner-Fairbank Highway Research Center Published Date : 2019-12-01 Report Number : FHWA-HRT-19-046 URL : /view/dot/50532 "Safety Evaluation of Pedestrian" (2019). "Safety Evaluation of Pedestrian Countdown Signals [techbrief]" (2019) "Safety Evaluation of Pedestrian Countdown Signals [techbrief]" , 2019 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Lan, Bo

2019-12-01

:

The Federal Highway Administration (FHWA) organized a pooled fund study of 40 States to evaluate low-cost safety strategies as part of its strategic h...
Safety Evaluation of Pedestrian Countdown Signals

CITE Title : Safety Evaluation of Pedestrian Countdown Signals Creator(s) : Srinivasan, Raghavan;Lan, Bo;Carter, Daniel;Smith, Sarah;Signor, Kari;Persaud, Bhagwant; Corporate Creator(s) : United States. Federal Highway Administration. Office of Safety Research and Development Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc.;University of North Carolina (System). Highway Safety Research Center;Turner-Fairbank Highway Research Center; Contributor(s) : Amjadi, Roya Published Date : 2019-11-01 Report Number : FHWA-HRT-19-045 URL : /view/dot/42730 "Safety Evaluation of Pedestrian" (2019). "Safety Evaluation of Pedestrian Countdown Signals" (2019) "Safety Evaluation of Pedestrian Countdown Signals" , 2019 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Lan, Bo

2019-11-01

:

A before-after empirical Bayes analysis was performed using data from 115 treated intersections in Charlotte, NC, and 218 treated intersections in Phi...
HSIP 2018 National Summary Report

CITE Title : HSIP 2018 National Summary Report Creator(s) : Saleem, Taha;Carter, Daniel; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : University of North Carolina (System). Highway Safety Research Center Published Date : 2019-10-01 Report Number : FHWA-SA-19-028 URL : /view/dot/55624 "HSIP 2018 National Summary" (2019). "HSIP 2018 National Summary Report" (2019) "HSIP 2018 National Summary Report" , 2019 Export RIS Citation Information.

:

Saleem, Taha ;

Carter, Daniel

2019-10-01

:

The Highway Safety Improvement Program (HSIP) 2018 National Summary Report compiles and summarizes aggregate information related to the States’ prog...
Second U.S. Roadway Safety Data Capabilities Assessment Final Report

CITE Title : Second U.S. Roadway Safety Data Capabilities Assessment Final Report Creator(s) : Scopatz, Robert A.;Albee, Matt;Bahar, Geni Brafman;Brown, Richard;Carter, Daniel;DeFisher, Joshua;Bueno, Claudio F.;Gooch, Jeff;Goughnour, Elissa;Gross, Frank;Hamilton, Ian;Harmon, Tim;Harrison, Frances D.;Signor, Kari;Smith, Sarah M.;Stickel, Jack;Taha, Saleem;Tang, Eric;Turner, Bethany;Wyatt, Tony;Zhou, Yuying;Strawder, Esther;Gigliotti, Dana; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc. Published Date : 2019-09-19 Report Number : FHWA-SA-19-018 URL : /view/dot/55617 "Second U.S. Roadway Safety" (2019). "Second U.S. Roadway Safety Data Capabilities Assessment Final Report" (2019) "Second U.S. Roadway Safety Data Capabilities Assessment Final Report" , 2019 Export RIS Citation Information.

:

Scopatz, Robert A. ;

Albee, Matt

2019-09-19

:

The Federal Highway Administration (FHWA) conducted a second roadway data capabilities assessment of each State’s collection, analysis, management, ...
HSIP 2017 National Summary Report

CITE Title : HSIP 2017 National Summary Report Creator(s) : Signor, Kari;Carter, Daniel; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : University of North Carolina (System). Highway Safety Research Center Published Date : 2018-05-01 Report Number : FHWA-SA-18-031 URL : /view/dot/49588 "HSIP 2017 National Summary" (2018). "HSIP 2017 National Summary Report" (2018) "HSIP 2017 National Summary Report" , 2018 Export RIS Citation Information.

:

Signor, Kari ;

Carter, Daniel

2018-05-01

:

The HSIP 2017 National Summary Report compiles and summarizes aggregate information related to the States’ progress in implementing HSIP projects. P...
Safety Evaluation of Horizontal Curve Realignment on Rural Two-Lane Roads

CITE Title : Safety Evaluation of Horizontal Curve Realignment on Rural Two-Lane Roads Creator(s) : Srinivasan, Raghavan;Carter, Daniel;Lyon, Craig;Albee, Matt; Corporate Creator(s) : VHB/Vanasse Hangen Brustlin, Inc.;University of North Carolina at Chapel Hill. Highway Safety Research Center; Corporate Contributor(s) : United States. Federal Highway Administration;United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center; Published Date : 2018-04-01 Report Number : FHWA-HRT-17-066;HRDS-20/04-18(200)E URL : /view/dot/37527 "Safety Evaluation of Horizontal" (2018). "Safety Evaluation of Horizontal Curve Realignment on Rural Two-Lane Roads" (2018) "Safety Evaluation of Horizontal Curve Realignment on Rural Two-Lane Roads" , 2018 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Carter, Daniel

2018-04-01

:

The Development of Crash Modification Factors program conducted safety evaluation of horizontal curve realignment on rural, two-lane roads for the Eva...
Road Safety Fundamentals: Concepts, Strategies, and Practices that Reduce Fatalities and Injuries on the Road

CITE Title : Road Safety Fundamentals: Concepts, Strategies, and Practices that Reduce Fatalities and Injuries on the Road Creator(s) : Carter, Daniel;Gelinne, Dan;Kirley, Bevan;Sundstrom, Carl;Srinivasan, Raghavan;Palcher-Silliman, Jennifer; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : University of North Carolina (System). Highway Safety Research Center Contributor(s) : Delgado, Felix H. Published Date : 2017-11-01 Report Number : FHWA-SA-18-003 URL : /view/dot/49570 "Road Safety Fundamentals: Concepts," (2017). "Road Safety Fundamentals: Concepts, Strategies, and Practices that Reduce Fatalities and Injuries on the Road" (2017) "Road Safety Fundamentals: Concepts, Strategies, and Practices that Reduce Fatalities and Injuries on the Road" , 2017 Export RIS Citation Information.

:

Carter, Daniel ;

Gelinne, Dan

2017-11-01

:

This book provides an introduction to the fundamental concepts of road safety. The book’s goal is to equip the reader with a broad base of knowledge...
Safety Evaluation of Cable Median Barriers in Combination with Rumble Strips on Divided Roads

CITE Title : Safety Evaluation of Cable Median Barriers in Combination with Rumble Strips on Divided Roads Creator(s) : Srinivasan, Raghavan;Lan, Bo;Carter, Daniel;Persaud, Bhagwant Naraine, 1947-;Eccles, Kimberly; Corporate Creator(s) : VHB/Vanasse Hangen Brustlin, Inc.;Persaud Lyon, Inc.; Corporate Contributor(s) : United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center;United States. Federal Highway Administration. Office of Safety Research and Development; Published Date : 2017-08-01 Report Number : FHWA-HRT-17-070 URL : /view/dot/37806 "Safety Evaluation of Cable" (2017). "Safety Evaluation of Cable Median Barriers in Combination with Rumble Strips on Divided Roads" (2017) "Safety Evaluation of Cable Median Barriers in Combination with Rumble Strips on Divided Roads" , 2017 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Lan, Bo

2017-08-01

:

The Development of Crash Modification Factors program conducted the safety evaluation of cable median barriers in combination with rumble strips on th...
Model Inventory of Roadway Elements – MIRE 2.0

CITE Title : Model Inventory of Roadway Elements – MIRE 2.0 Creator(s) : Lefler, Nancy;Zhou, Yuying;Carter, Daniel;McGee, Hugh W.;Harkey, David L.;Council, Forrest M.; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc.;University of North Carolina (System). Highway Safety Research Center; Contributor(s) : Tan, Carol Published Date : 2017-07-01 Report Number : FHWA-SA-17-048 URL : /view/dot/49568 "Model Inventory of Roadway" (2017). "Model Inventory of Roadway Elements – MIRE 2.0" (2017) "Model Inventory of Roadway Elements – MIRE 2.0" , 2017 Export RIS Citation Information.

:

Lefler, Nancy ;

Zhou, Yuying

2017-07-01

:

Data are key to making sound decisions on the safety, design, and operations of roadways. In 2010, the Federal Highway Administration (FHWA) published...
Informational Guide for State, Tribal, and Local Safety Data Integration

CITE Title : Informational Guide for State, Tribal, and Local Safety Data Integration Creator(s) : Scopatz, Robert A.;Goughnour, Elissa;Abbott, D.;Carter, Daniel;Smith, S.;Salzer, T.; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc. Contributor(s) : Thompson, Stuart Published Date : 2016-10-31 Report Number : FHWA-SA-16-118 URL : /view/dot/42839 "Informational Guide for State," (2016). "Informational Guide for State, Tribal, and Local Safety Data Integration" (2016) "Informational Guide for State, Tribal, and Local Safety Data Integration" , 2016 Export RIS Citation Information.

:

Scopatz, Robert A. ;

Goughnour, Elissa

2016-10-31

:

This is an Informational Guide for State, Tribal, and local safety data integration. This Informational Guide provides guidance to States, Tribes, and...
Evaluation of Four Network Screening Performance Measures

CITE Title : Evaluation of Four Network Screening Performance Measures Creator(s) : Gross, Frank B.;Harmon, Tim;Albee, Matt;Himes, Scott;Srinivasan, Raghavan;Carter, Daniel;Dugas, Michael; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : VHB/Vanasse Hangen Brustlin, Inc. Contributor(s) : Thompson, Stuart Published Date : 2016-10-01 Report Number : FHWA-SA-16-103 URL : /view/dot/42837 "Evaluation of Four Network" (2016). "Evaluation of Four Network Screening Performance Measures" (2016) "Evaluation of Four Network Screening Performance Measures" , 2016 Export RIS Citation Information.

:

Gross, Frank B. ;

Harmon, Tim

2016-10-01

:

High quality data and reliable analytical methods are the foundation of data-driven decision-making. The Reliability of Safety Management Methods seri...
Highway Safety Improvement Program 2013 National Summary Report

CITE Title : Highway Safety Improvement Program 2013 National Summary Report Creator(s) : Smith, Sarah M.;Carter, Daniel; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : University of North Carolina (System). Highway Safety Research Center Published Date : 2014-07-01 Report Number : FHWA-SA-14-030 URL : /view/dot/42804 "Highway Safety Improvement Program" (2014). "Highway Safety Improvement Program 2013 National Summary Report" (2014) "Highway Safety Improvement Program 2013 National Summary Report" , 2014 Export RIS Citation Information.

:

Smith, Sarah M. ;

Carter, Daniel

2014-07-01

:

The Highway Safety Improvement Program (HSIP) 2013 National Summary Report compiles and summarizes aggregate information related to the States’ prog...
Safety Performance Function Decision Guide: SPF Calibration vs SPF Development

CITE Title : Safety Performance Function Decision Guide: SPF Calibration vs SPF Development Creator(s) : Srinivasan, Raghavan;Carter, Daniel;Bauer, Karin M.; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Safety Corporate Contributor(s) : University of North Carolina (System). Highway Safety Research Center Contributor(s) : Strawder, Esther Published Date : 2013-09-01 Report Number : FHWA-SA-14-004 URL : /view/dot/49504 "Safety Performance Function Decision" (2013). "Safety Performance Function Decision Guide: SPF Calibration vs SPF Development" (2013) "Safety Performance Function Decision Guide: SPF Calibration vs SPF Development" , 2013 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Carter, Daniel

2013-09-01

:

This guidebook is intended to provide guidance on whether an agency should calibrate the safety performance functions (SPFs) from the Highway Safety M...
Safety Evaluation of Converting Traffic Signals From Incandescent to Light-emitting Diodes : Summary Report

CITE Title : Safety Evaluation of Converting Traffic Signals From Incandescent to Light-emitting Diodes : Summary Report Creator(s) : Srinivasan, Raghavan;Carter, Daniel;Smith, Sarah;Lan, Bo; Corporate Creator(s) : United States. Federal Highway Administration;Highway Safety Information System; Corporate Contributor(s) : University of North Carolina (System). Highway Safety Research Center Contributor(s) : Tan, Carol;Eigen, Ana Maria; Published Date : 2013-08-01 Report Number : FHWA-HRT-13-070 URL : /view/dot/34857 "Safety Evaluation of Converting" (2013). "Safety Evaluation of Converting Traffic Signals From Incandescent to Light-emitting Diodes : Summary Report" (2013) "Safety Evaluation of Converting Traffic Signals From Incandescent to Light-emitting Diodes : Summary Report" , 2013 Export RIS Citation Information.

:

Srinivasan, Raghavan ;

Carter, Daniel

2013-08-01

:

Across the Nation, many agencies have been replacing conventional incandescent light bulbs in traffic signals with light-emitting diodes (LED) (see fi...
Public Roads Vol. 74 No. 3

CITE Title : Public Roads Vol. 74 No. 3 Creator(s) : Bared, Joe;Saiko, Don;Cronin, Brian;Mortensen, Steve;Sheehan, Robert;Thompson, Dale;Murdaugh, Henry C.;Carter, Stephanie;Jones, Katy;Yunk, Karen;Carter, Daniel; Corporate Creator(s) : United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology Corporate Contributor(s) : United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center Published Date : 2010-11-01 Report Number : FHWA-HRT-11-001 Series : Public Roads URL : /view/dot/83447 "Public Roads Vol. 74" (2010). "Public Roads Vol. 74 No. 3" (2010) "Public Roads Vol. 74 No. 3" , 2010 Export RIS Citation Information.

:

Bared, Joe ;

Saiko, Don

2010-11-01 | Public Roads

:

The Double Crossover Diamond - Integrated Corridor Management - Workforce Development in Action - The CMF Clearinghouse: A Handy Safety Tool.

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