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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Dynamic Speed Display Signs

SMART 12 Speed Trailer

SMART, Kustom's Speed Monitoring Awareness Radar Trailer, is a portable, self-contained speed display unit that offers motorists a gentle reminder to slow down. Models I and II are available in the … [Read more...] about SMART 12 Speed Trailer

Speed Signs

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Pole Mount Speed Signs

Regulatory Pole Sign: Cabinet size: 24" (61cm) W X 30" (76cm) H X 8.5" (22cm) D Weight: 40 lbs (18 kg) 12" Characters with sunshades Dual power standard (12VDC/120VAC) Diamond grade reflective … [Read more...] about Pole Mount Speed Signs

SpeedCheck® Radar Speed Signs

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Innovative Traffic Control Devices for Improving Safety at Rural Short-Term Maintenance Work Zones

The Texas Department of Transportation (TxDOT) and the Federal Highway Administration (FHWA) sponsored a Texas Transportation Institute (TTI) research project to determine if innovative traffic … [Read more...] about Innovative Traffic Control Devices for Improving Safety at Rural Short-Term Maintenance Work Zones

Speed Advisory System

The primary objective of this evaluation was to assess the long-term effectiveness of speed monitoring displays (SMDs) in long-term work zones on rural interstate highways. To achieve this goal, three … [Read more...] about Speed Advisory System

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Copyright © 2026 American Road & Transportation Builders Association (ARTBA). The National Work Zone Safety Information Clearinghouse is a project of the ARTBA Transportation Development Foundation. It is operated in cooperation with the U.S. Federal Highway Administration and Texas A&M Transportation Institute. | Copyright Statement · Privacy Policy · Disclaimer
American Road and Transportation Builders Association Transportation Development Foundation, American Road and Transportation Builders Association U.S. Department of Transportation Federal Highway Administration Texas A&M Transportation Institute