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 701 - 720 of 16092 results
  • Monthly Motor Fuel Reported by States April 2023
  • Traffic Noise Model 32  Technical Manual
  • Micromobility Regulations and Permitting Equity Synthesis
  • Virtual Public Involvement Practices in NEPA  Case Studies
  • Applicability Determination CMAQ Traffic Congestion and CMAQ OnRoad Mobile Source Emissions Measures 23 CFR 490707 and 490807 as of October 1 2023
  • Structural Design with UltraHigh Performance Concrete
  • EDC5 Unmanned Aerial Systems UAS Peer Exchange for Arizona DOT
  • Traffic Volume Trends October 2023
  • 2022 Urban Congestion Trends
  • Fixed Fire Fighting and Emergency Ventilation Systems for Highway Tunnels  Research Report
  • EDC5 Unmanned Aerial Systems UAS for Peer Exchange in Salt Lake City Utah
  • How Pavement and Bridge Conditions Affect Transportation System Performance
  • Operational Concepts for Distributed Ledger in ITS Use Cases Blockchain Research and Deployment Technical Services Support
  • National Peer Exchange on Freight Resiliency for ClimateRelated Disruptions Executive Summary Report
  • Portland Limestone Cement technote
  • EDC5 Regional Workshops Report
  • Substructure Condition Evaluation of the Willow Valley Creek Bridge Using Geophysical Logging Methods
  • Innovator  SeptemberOctober 2023  Volume 17 Issue 98
  • FHWA RT Now October 2023
  • EDC5 Unmanned Aerial Systems UAS for Peer Exchange in Lakewood Colorado