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.

Volpe Center

rosaP Repository & Open Science Access Portal

This collection is the knowledge repository of digitized U.S. DOT Volpe Center staff-authored reports, journal articles, conference papers, and archives. Housing more than 50 years of transportation research, the collection includes more than 5,000 U.S. DOT Volpe Center-authored publications. More information about the John A. Volpe National Transportation Systems Center is available at Volpe National Transportation Systems Center. Bookmark this collection at: https://rosap.ntl.bts.gov/collection_volpe or https://doi.org/10.21949/1530858.

Showing 641 - 660 of 5186 results
  • Regional Alternative Transportation Evaluation Region 8
  • Evaluation of LED Sign Technology at a Passive HighwayRail Grade Crossing
  • Uses of Geospatial Applications for Transportation Performance Management
  • Low Visibility OperationsSurface Movement Guidance and Control System LVOSMGCS Chart Symbology
  • Uses of Geospatial Applications for Transportation Performance Management
    Supporting Files
  • Summary of the Border Infrastructure Finance Workshop  January 2021 2016 San Diego California
  • Providing Digital Transit Information to Park Visitors National Park Service GTFS Pilot
  • Evaluation of Ethanol Fuel Blends in EPA MOVES2014 Model
  • Shaping Americas Transportation Future Annual Project Accomplishments January 2016
  • Independent Evaluation of HeavyTruck Safety Applications Based on VehicletoVehicle and VehicletoInfrastructure Communications Used in the Safety Pilot Model Deployment
  • NPS Transit System Passenger Boardings Study Converting Ticket Sales to Passenger Boardings
  • National Transportation Statistics NTS 2016 4th Quarter
  • National Transportation Statistics NTS 2016 3rd Quarter
  • National Transportation Statistics NTS 2016 1st Quarter
  • Digitizing for Better Decisionmaking
  • Shaping Americas Transportation Future Annual Project Accomplishments
  • FHWA research and technology evaluation  gusset plates final report
  • New York Metropolitan Transportation Council scenario planning workshop  sponsored by the Federal Highway Administration
  • Aviation Environmental Design Tool AEDT Version 2b Installation Guide  December 2015
  • 2015 ROW Fatality  Trespass Prevention Workshop