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
Sign Supports
Guidelines for Evaluating Crashworthiness of Sign Supports and Breakaway Luminaire Poles
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
Development of a Low-Cost Work Zone Queue Warning System
Back-of-queue crashes are a significant safety hazard in highway work zones—especially those with intermittent congestion. A number of intelligent transportation systems (ITS) have been developed to … [Read more...] about Development of a Low-Cost Work Zone Queue Warning System
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
WYDOT Installs Flexible Delineators, Finds Lower Maintenance from Replacing Posts
The Wyoming Department of Transportation has installed flexible delineator posts in areas where vehicles have repeatedly damaged delineator posts. While metal delineator posts can create a hazard … [Read more...] about WYDOT Installs Flexible Delineators, Finds Lower Maintenance from Replacing Posts
Permanent Signs Mounted on Median Barriers: A Synthesis of Highway Practice
The synthesis study was conducted to identify and report on the current state of practice for mounting permanent highway signs on top of rigid median barriers throughout the United States. Information … [Read more...] about Permanent Signs Mounted on Median Barriers: A Synthesis of Highway Practice