As part of the FHWA-sponsored ATSSA Work Zone Safety Grant, this publication showcases temporary traffic control technologies designed to enhance safety and efficiency for one-lane, two-way operations … [Read more...] about Temporary Traffic Control Technologies for One-Lane, Two-Way Operations
Driveway Assistance Devices
Modeling and Operational Performance Evaluation of Driveway Assistance Devices for Lane Closures on Two-Lane Highway Work Zones
Lane closures on two-lane highways due to work zone activities negatively impact traffic operational performance. In addition, traffic from access points (e.g., commercial and residential driveways or … [Read more...] about Modeling and Operational Performance Evaluation of Driveway Assistance Devices for Lane Closures on Two-Lane Highway Work Zones
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