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US Transportation Collection

rosaP Repository & Open Science Access Portal

The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

Showing 921 - 940 of 36049 results
  • Roadway Cross Section Reconfiguration Responses to 14 Commonly Asked Questions
  • A Preliminary EvidenceBased Approach for Forecasting Cut Slope Deterioration
  • Impact of Imperfections Residual Stresses Erection FitUp and Distortion on Curved Steel Bridge Service Life
  • Evaluating Sedimentation Impacts to Freshwater Mussels Research Summary
  • LowShrinkage UltraHighPerformance Concrete Summary
  • LowShrinkage UltraHighPerformance Concrete
  • Traffic Safety Facts 2022 Data Summary of Motor Vehicle Traffic Crashes
  • Traffic Safety Facts 2022 Data State Traffic Data
  • OSTR Research Roundup September 2024
  • Effectiveness of Automated Pavement Restriping Systems Phase I Cost Comparison Between Manual and Automated Systems Summary
  • Motorcycle Helmet Use in 2023  Overall Results Traffic Safety Facts  Research Note
  • Traffic Safety Facts CrashStats Early Estimate of Motor Vehicle Traffic Fatalities for the First Half JanuaryJune of 2024
  • Use of Titanium Alloy Reinforcement to Strengthened Bridges in Alabama Laboratory Testing and Analytical Investigations
  • Bridge Deck Thermography Verification and Policy
  • Project 074 Low Emissions Premixed Combustion Technology for Supersonic Civil Transport
  • 0716801 Support XRF Determination of Tire Rubber Content in Asphalt Binders
  • Develop Laboratory Mix Design for Full Depth Reclamation FDR Projects Using Foamed Asphalt Binder and Emulsified Asphalt Project Summary Report
  • Improve Data Quality for Automated Pavement Distress Data Collection Project Summary Report
  • Determine the Feasibility and Methodologies of Using Structural Data from the Traffic Speed Deflectometer in Network and ProjectLevel Treatment Decision Making Project Summary Report
  • 07139 Determination of Pavement Surface Type