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.

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 201 - 220 of 35753 results
  • A Comparison of Service Life Models for Concrete Corrosion Durability Summary
  • Synthesis Commercial AirCoupled Ground Penetrating Radar Systems to Be Used for Pavement Evaluations in Texas
  • MaterialsBased Methods to Improve Rumble Strip Durability
  • Pavement Design Performance of Base versus Subbase
  • Increasing School Bus StopArm Compliance Research Summary
  • Developing Biochar Specifications for Stormwater Management Research Summary
  • Detecting Endangered Turtles with Environmental DNA Research Summary
  • Evaluating Strategies to Prevent EarlyAge Bridge Deck Cracking Research Summary
  • Identifying NearMisses Including RedLight Running and Reducing Conflict Through DFYA at Signalized Intersections Using LiDAR Sensors
  • Use of Plastics in Road Materials Paving
  • Evaluation of Corrugated HDPE Pipes Manufactured with Recycled Content
  • Validating Travel Time Delay Quantification and Measurement Methods for Vermont Work Zones
  • Development of Tennessee UHPC for Bridge Applications
  • Guidelines for Implementing Carbon Capture Utilization and Storage CCUS Technologies on TxDOT Projects
  • Optimizing Work Zone Conditions to Maximize Safety and Mobility
  • Evaluation of a Density Profiling System for Asphalt Pavement Density Measurement
  • Pavement Preservation Demonstration Projects for Chip Seal and Microsurfacing Treatments
  • A Management Plan for Historic Bridges in Virginia The 2024 Update
  • Winter Severity Index with Winter Maintenance Expenses and Material Usage
  • Estimating HCM Default Parameters for Louisiana Summary