The Autonomous Truck-Mounted Attenuator (ATMA) system is a lead-follower vehicle system based on autonomous driving and connected vehicle technologies. The lead truck performs maintenance tasks on the … [Read more...] about A Simulation Study of Passing Drivers’ Responses to the Automated Truck-Mounted Attenuator System in Road Maintenance
Understanding
Assessing Driver Understanding and Responses to a Visual and Audible Work Zone Intrusion Alarm System
Oldcastle Materials and ARTIS, LLC joined forces to develop an innovative work zone intrusion detection and alarm system. The system flashes LED lights and emits an audible alarm if an intrusion is … [Read more...] about Assessing Driver Understanding and Responses to a Visual and Audible Work Zone Intrusion Alarm System
Motorists’ Understanding of Automated Flagger Assistance Devices in Work Zones
Automated flagger assistance devices (AFADs) are designed to be operated remotely by a flagger positioned outside the travel lanes and thus to reduce their exposure to vehicular traffic. There are two … [Read more...] about Motorists’ Understanding of Automated Flagger Assistance Devices in Work Zones
Motorist Understanding of Alternative Displays for Speed Limits in Work Zones
In Texas, speed limits for short-term work zones are reduced speed limits that are posted only when work activity is present. When work activity is not present, the reduced speed limit signs are to be … [Read more...] about Motorist Understanding of Alternative Displays for Speed Limits in Work Zones
Red Retroreflective Raised Pavement Markings: Driver Understanding of Their Purpose
Research was conducted to evaluate drivers' understanding of red retroreflective raised pavement markers (RRPMs) on two-lane and four-lane undivided and divided roadways. The study included 191 … [Read more...] about Red Retroreflective Raised Pavement Markings: Driver Understanding of Their Purpose
Public Opinion and Understanding of Advance Warning Arrow Displays Used in Short-Term, Mobile, and Moving Work Zones
In long-term work zones on multilane highways and/or freeways, the Federal Highway Administration has interpreted the Manual on Uniform Traffic Control Devices to mean that only one advance warning … [Read more...] about Public Opinion and Understanding of Advance Warning Arrow Displays Used in Short-Term, Mobile, and Moving Work Zones