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.

Federal Highway Administration

rosaP Repository & Open Science Access Portal

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.

Showing 14521 - 14540 of 15888 results
  • Vehicle Classification Sampling Methodology Evaluation
  • Highway Performance Monitoring System A Statistical Analysis
  • Pedestrian Accidents Occurring on Freeways An Investigation of Causative Factors Accident Data Collection and Analysis Vol I Executive Summary
  • Extension and Replacement of Asphalt Cement with Sulfur  Executive Summary
  • Alternatives for the Optimization of Aggregate and Pavement Properties Related to Friction and Wear Resistance  Executive Summary
  • HPMS A Statistical Analysis 1978
  • Traffic Volume Trends October 1978
    No Description
  • Evaluation of Highway Safety Projects Summary
  • Reduction of adverse aerodynamic effects of large trucks Volume I Technical report
  • Recycling asphalt pavements  Ellendale North Dakota
    No Description
  • Evaluation of Dynamic Sign Systems for Narrow Bridges
  • BicycleSafe Grate Inlets Study Volume 3  Hydraulic Characteristics of Three Selected Grate Inlets in a Sump Condition
  • The Cost of Owning and Operating an Automobile Including Parking in 61 Urbanized Areas
  • The Development of a Microwave Radiometer for Use as a Highway Ice Detector
  • New Concepts for Traffic Barrier Systems
  • Public Roads A Journal of Highway Research and Development Vol 42  No  2
    Supporting Files
  • Highway Performance Monitoring System Phase I Report
  • Fatal and Injury Accident Rates on FederalAid and Other Highway Systems 1976
  • Traffic Volume Trends September 1978
  • Countermeasures for hydraulic problems at bridges  volume II  case histories for sites 1283
    No Description