Work
Research
Ideas
Safety, Innovation, and Empathy: Key Takeaways from TRB 2025
The TRB Annual Meeting programming provided opportunities to challenge our assumptions, debate new directions, and celebrate how far we have come in advancing our field. Here are some of our observations from the 2025 Annual Meeting.
Ideas
How Long Should a Yellow Light Be?
How long should a yellow light be? This is a question that has been researched extensively in the field of transportation and physics for over 60 years. Dive into the research and discover how engineering solutions can make a difference in reducing crashes.
Work
Guide for Intersection Control Evaluation
A Roadmap for Rolling Out Statewide ICE Policies
Work
NCHRP Research Report 1043: Guide for Roundabouts
A New Go-To Guide for the Planning and Design of Roundabouts
Work
Highway Capacity Manual, 7th Edition
The Highway Capacity Manual Goes Digital
Work
NCHRP Research Report 1036: Roadway Cross Section Reallocation: A Guide
Helping Communities Weigh Tradeoffs on their Streets
Work
Displaced Left Turn Intersection Informational Guide
A Comprehensive Guide to Displaced Left Turn Planning and Design
Work
NCHRP Report 969: Traffic Signal Control Strategies for Pedestrians and Bicyclists
Timing Signals With Pedestrians and Bicyclists in Mind
Work
USDOT Connected Vehicle Pilot Deployment Evaluation
Understanding the Mobility Impacts of Connected Vehicles
Work
SJCOG Transportation Innovation Study
Optimizing Connectivity in the San Joaquin Region
Work
Operational Effectiveness of Leading Pedestrian Intervals
Simulating the Benefits of Leading Pedestrian Intervals
Work
NCHRP Report 948: Guide for Pedestrian and Bicycle Safety at Alternative and Other Intersections and Interchanges
Research That Looks Out For Pedestrians & Bicyclists At Intersections
Work
NCHRP Report 992: Guide to Pedestrian Analysis
Developing Pedestrian Methodologies for Safe and Sustainable Communities
Work
Capacity Adjustments Factors for CAVs in the Highway Capacity Manual
Putting Connected and Automated Vehicles in the Highway Capacity Manual
Work
Anchorage Action Plan And Implementation
Another Step Towards Vision Zero In Anchorage, Alaska
Work
Sketch Planning Methods
Helping Agencies Find Order In Data Chaos
Work
MassDOT Roundabout Guide
A Guide That's Changing the Way We See Roundabouts
Work
ODOT Transit Development Plan Guidebook
Equipping Agencies with Quality Transit Project Guidance
Work
Fremont Systemic Safety Analysis Report
Evaluating Safety in a Bay Area Commuter Community
Work
Metro Livable Streets and Trails Guide
Using Performance-Based Design to Plan for the Future
Work
Clackamas County Safety Action Plan
Developing a Safety Culture in Clackamas County
Work
NCHRP Report 924: Impact of Transformational Technologies on Land Use and Transportation
Helping Agencies Get Ahead of Evolving Technologies
Work
