A variety of traffic control devices are used to control and guide motorists approaching and traveling through a work zone. Ensuring that these devices are crashworthy is critical to the safety of … [Read more...] about Installing and Maintaining Crashworthy Work Zone Traffic Control Devices
Crashworthiness
MASH Evaluation of TxDOT High-Mounting-Height Temporary Work Zone Sign Support System
The objective of this research was to develop a nonproprietary, lightweight, crashworthy, temporary work-zone single sign support for use with an aluminum sign substrate. The device is intended to … [Read more...] about MASH Evaluation of TxDOT High-Mounting-Height Temporary Work Zone Sign Support System
Work Zone Positive Protection Guidelines for Idaho
The Code of Federal Regulation (CFR) Title 23 Part 630 Subpart K - Temporary Traffic Control (630.1102–630.1110) rule states that positive protection shall be considered where work zone conditions … [Read more...] about Work Zone Positive Protection Guidelines for Idaho
Crashworthiness Testing of a Portable Maintenance Work-Zone Barrier
Barrier and shadow vehicles generally provide Caltrans maintenance workers protection from errant vehicles entering the work zone from the upstream direction of traffic flow. This type of protection … [Read more...] about Crashworthiness Testing of a Portable Maintenance Work-Zone Barrier
Guidelines for the Use of Positive Protection in Work Zones
Positive protection devices that contain and/or redirect vehicles and meet crashworthiness evaluation criteria should prevent intrusion into the work area. These guidelines address the use of positive … [Read more...] about Guidelines for the Use of Positive Protection in Work Zones
Crash Performance of X-shaped Support Base Work Zone Temporary Sign Structures
Results from numerical analyses of temporary sign structure crash tests are compared with test data to assess both their crashworthiness and numerical model effectiveness. In addition, a parametric … [Read more...] about Crash Performance of X-shaped Support Base Work Zone Temporary Sign Structures