State departments of transportation employ numerous variations of luminaire and sign support systems that require evaluations for their crashworthiness. Guidelines for families of devices with similar … [Read more...] about Guidelines for Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles
Lighting
Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities
Over the last two decades, an increasing number of highway construction and maintenance projects in the United States have been completed at night to avoid or alleviate traffic congestion delays. … [Read more...] about Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities
Toolbox of Low-Cost Work Zone Management Strategies
The Toolbox of Low-Cost Work Zone Management Strategies was developed under the 2016 Federal Highway Administration Work Zone Safety Grant No. 693JJ31750003 awarded to Iowa State … [Read more...] about Toolbox of Low-Cost Work Zone Management Strategies
FHWA Lighting Handbook
This handbook is an update to the 1978 FHWA Lighting Handbook 78-15 as well as the 1983 addendum. It is meant to provide guidance to designers and State, city, and town officials concerning the … [Read more...] about FHWA Lighting Handbook
Evaluation of the Impact of Presence Lighting and Digital Speed Limit Trailers on Interstate Speeds in Indiana Work Zones
Work zone safety continues to be one of the important focus areas for transportation agencies. Previous studies have identified that vehicle speed and lighting conditions are significant risk factors … [Read more...] about Evaluation of the Impact of Presence Lighting and Digital Speed Limit Trailers on Interstate Speeds in Indiana Work Zones
Non-Motorized Road User Accommodations in Work Zones (2023)
The Non-Motorized Road User Accommodations in Work Zones is a 1-day course designed to assist in understanding the design documents that were developed as part of an FHWA Work Zone Safety grant, with … [Read more...] about Non-Motorized Road User Accommodations in Work Zones (2023)