This cost benefit analysis, prepared by the Colorado Department of Transportation, was successfully used to justify the use of federal funds to acquire Mobile Barriers MBT-1. … [Read more...] about Deployment and Evaluation of Mobile Barrier in CDOT Research Branch
Temporary Barriers
Best Practices for Maximizing Driver Attention to Work Zone Warning Signs
Studies have shown that rear-end crashes in the advance warning area for a work zone are the most common type of work zone crashes. Driver inattention (or distraction) is reported as the most common … [Read more...] about Best Practices for Maximizing Driver Attention to Work Zone Warning Signs
New DOT Barriers Can Help Save Workers’ Lives
There were more than 1,600 work-zone collisions in Washington State last year and an average of four crashes a day involving drivers crashing into Washington State Department of Transportation (WSDOT) … [Read more...] about New DOT Barriers Can Help Save Workers’ Lives
Portable Positive Protection: A Guide for Short Duration and Short Term Work Zones
This guideline covers various types of positive protection devices that can be easily placed and moved for short duration and short term work operations, especially compared with traditional portable … [Read more...] about Portable Positive Protection: A Guide for Short Duration and Short Term Work Zones
Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
This guideline highlights use of a low-profile concrete barrier (LPB) in low to moderate speed work zones. The low profile barrier enhances line of sight for drivers, especially where work zones and … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
September 2015 Introduction Transportation agencies consider or specify the use of positive protection devices on a variety of project types. Some of the most common needs for protection … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones