Skip to main content

Search results for "biological variation"

Filters: Transportation Research Board TRB × 2021 2021 ×
Viewing 1 - 20 of 75 results by relevance

LED Roadway Lighting: Impact on Driver Sleep Health and Alertness  (2021)

Options for Reducing Lead Emissions from Piston-Engine Aircraft  (2021)

Updating the AASHTO LRFD Movable Highway Bridge Design Specifications  (2021)

Practices in Airport Emergency Plans  (2021)

Safety Performance of Part-Time Shoulder Use on Freeways, Volume 2: Conduct of Research Report  (2021)

Mainstreaming System Resilience Concepts into Transportation Agencies: A Guide  (2021)

Entrained Air-Void Systems for Durable Highway Concrete  (2021)

Revised Clear-Water and Live-Bed Contraction Scour Analysis  (2021)

Diverging Diamond Interchange Informational Guide, Second Edition  (2021)

Prioritization of Public Transportation Investments: A Guide for Decision-Makers  (2021)

Roadside Hardware Replacement Analysis: User Guide  (2021)

Revised Clear-Water and Live-Bed Contraction Scour Analysis Training Manual  (2021)

Asphalt Binder Aging Methods to Accurately Reflect Mixture Aging  (2021)

Application of Crash Modification Factors for Access Management, Volume 2: Research Overview  (2021)

Electrochemical Test Methods to Evaluate the Corrosion Potential of Earthen Materials  (2021)

Safety Prediction Methodology and Analysis Tool for Freeways and Interchanges  (2021)

Improved Prediction Models for Crash Types and Crash Severities  (2021)

Protocols for Network-Level Macrotexture Measurement  (2021)

Investigating the Relationship of As-Constructed Asphalt Pavement Air Voids to Pavement Performance  (2021)

Resource Guide for Improving Diversity and Inclusion Programs for the Public Transportation Industry  (2021)