Speed management of traffic in work zones is important for the safety of both the road user and road worker. A work zone will introduce deviations from normal travel in a discrete road section and … [Read more...] about Speed Management in Work Zones — The ASAP Project
Traffic Regulations
Assessment of the Effect of Freeway Posted Speed Limit Reduction on Vehicular Delay at a Work Zone
The reduction of posted speed limit at a freeway work zone plays an important role in ensuring safety of transportation system users and construction workers. However, it increases vehicular delay. … [Read more...] about Assessment of the Effect of Freeway Posted Speed Limit Reduction on Vehicular Delay at a Work Zone
Driving Speed Behavior of Cars and Trucks on Six-Lane Highway Work Zone Considering Lane and Location Deviation
Work zones are not only traffic bottlenecks, but also critical points for the safety of both vehicle occupants and workers. Vehicle speed is a key factor to estimate traffic efficiency and understand … [Read more...] about Driving Speed Behavior of Cars and Trucks on Six-Lane Highway Work Zone Considering Lane and Location Deviation
Statistical Test for 85th and 15th Percentile Speeds with Asymptotic Distribution of Sample Quantiles
The 85th and the 15th percentiles are two parameters that are commonly used in traffic engineering and traffic safety. For example, 85th percentile speeds are used in setting speed limits and for … [Read more...] about Statistical Test for 85th and 15th Percentile Speeds with Asymptotic Distribution of Sample Quantiles
How Fast? MDOT YouTube Video Explains Freeway Work Zone Speed Limits
The Michigan Department of Transportation (MDOT) has partnered with the Michigan State Police to produce a new safety video to help motorists understand speed limits in freeway work zones. "Where … [Read more...] about How Fast? MDOT YouTube Video Explains Freeway Work Zone Speed Limits
In the Work Zone: A Look Into the Safety of Speed Limits and Work Zone Devices Under MASH Testing
This webinar is part of the Mid-America Transportation Center (MATC) webinar series. MATC researchers Dr. Ronald Faller and Dr. Ghulam Bham feature their research and provide lessons learned about … [Read more...] about In the Work Zone: A Look Into the Safety of Speed Limits and Work Zone Devices Under MASH Testing