The Ohio Department of Transportation is in the process of testing several different technologies, such as queue detection systems and variable speed limit signs, designed to improve work zone safety … [Read more...] about Ohio DOT Testing ‘Smart’ Work Zone Safety Systems
Changeable Message Signs
Use of Smart Work Zone Technologies for Improving Work Zone Safety: A Synthesis of Highway Practice
To make work zones safer, state departments of transportation (DOTs) use smart technologies with specialized components, such as sensors, communications, software, and electronic equipment, to manage … [Read more...] about Use of Smart Work Zone Technologies for Improving Work Zone Safety: A Synthesis of Highway Practice
Use of Variable Speed Limits in Construction Zones: Concept of Operations
The Utah Department of Transportation is looking to implement smart work zone technology to manage the prudent reduction of speeds within work zones while minimizing the effects of the work zone on … [Read more...] about Use of Variable Speed Limits in Construction Zones: Concept of Operations
Speed Variation and Safety in Work Zones
In addition to lower speeds, the difference between vehicle speed and the average speed on the roadway has been identified as a factor in roadway crashes. For work zones, the potential for such speed … [Read more...] about Speed Variation and Safety in Work Zones
Toolbox of Low-Cost Work Zone Management Strategies
The Toolbox of Low-Cost Work Zone Management Strategies was developed under the 2016 Federal Highway Administration Work Zone Safety Grant No. 693JJ31750003 awarded to Iowa State … [Read more...] about Toolbox of Low-Cost Work Zone Management Strategies
Fault-Tolerant Control of Variable Speed Limits for Freeway Work Zone With Recurrent Sensor Faults
Congestion associated with freeway work zones can adversely affect mobility, safety, and sustainability. Variable speed limits (VSL) control has been widely studied to mitigate the congestion caused … [Read more...] about Fault-Tolerant Control of Variable Speed Limits for Freeway Work Zone With Recurrent Sensor Faults