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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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Driveway Assistance Devices

Michigan Department of Transportation Permission to Experiment – 6(09)-35 (E): Driveway Assistance Device, Contract ID 77024-130024

The purpose of this report is to present the results of the deployment of Driveway Assistance Devices (DADs) as part of a temporary signal system on M-19 in St. Clair County. The project is part of … [Read more...] about Michigan Department of Transportation Permission to Experiment – 6(09)-35 (E): Driveway Assistance Device, Contract ID 77024-130024

Effective Signing Strategies and Signal Displays for Work Zone Driveway Assistance Devices

Work zones that include a single lane closure on a two-lane, two-way roadway present unique traffic control challenges. In these situations, traffic regulators (i.e., flaggers or temporary traffic … [Read more...] about Effective Signing Strategies and Signal Displays for Work Zone Driveway Assistance Devices

Practices in One-Lane Traffic Control on a Two-Lane Rural Highway

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 525: Practices in One-Lane Traffic Control on a Two-Lane Rural Highway identifies innovative practices and devices for … [Read more...] about Practices in One-Lane Traffic Control on a Two-Lane Rural Highway

Work Zone Driveway Assistance Devices (DADs): Past Research & Evaluation of Display Strategies

The Driveway Assistance Device (DAD) is an experimental device used to direct traffic onto a bi-directional, single-lane work zone from a driveway or side street. This device uses alternating flashing … [Read more...] about Work Zone Driveway Assistance Devices (DADs): Past Research & Evaluation of Display Strategies

MDOTs Final Report: Permission to Experiment – 6(09)-35 (E) – Driveway Assistance Device

On July 23, 2015, MDOT submitted a request to test and evaluate Horizon Signals Driveway Assistance Device. This full report documents MDOT projects and the findings and recommendations based on the … [Read more...] about MDOTs Final Report: Permission to Experiment – 6(09)-35 (E) – Driveway Assistance Device

Case Studies of Innovative Low-Cost Work Zone Strategies

Michigan State University (MSU) hosted a free webinar featuring case studies of innovative, low-cost work zone management strategies. This webinar presented material developed by Timothy Gates and … [Read more...] about Case Studies of Innovative Low-Cost Work Zone Strategies

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