Highway work zones are among the most dangerous environments for road workers, with thousands of fatalities and injuries occurring nationwide each year. To reduce risk, the Colorado Department of … [Read more...] about Self-Driving CDOT Crash Truck Protects Highway Workers
Traffic Control Devices
Audible Alert and TMA Lighting
Truck Mounted Attenuators (TMAs) are designed to mitigate crash severity. Currently, TMA drivers rely on visual checks via driving mirrors to manually trigger warnings thus placing the duty on … [Read more...] about Audible Alert and TMA Lighting
From Chaos to Order: Evaluating Behavior-Driven Road Sign Strategies in Work Zone Management
Road construction significantly impacts traffic dynamics, often causing severe congestion, reduced speeds, and elevated accident risks due to lane closures and merging bottlenecks. This study employs … [Read more...] about From Chaos to Order: Evaluating Behavior-Driven Road Sign Strategies in Work Zone Management
Evaluating the Intensity of Green Warning Light for Snowplow Trucks Using CIELAB Color Space
Snowplow Trucks (SPTs) work under extremely challenging conditions, typically traveling at lower speeds compared with other vehicles. Because of reduced speeds and poor visibility, a major safety … [Read more...] about Evaluating the Intensity of Green Warning Light for Snowplow Trucks Using CIELAB Color Space
Passive Sensing Communication to Vehicles in Construction Work Zones Through Signage Coded on Pavement Surface
Construction work zones (CWZ) present safety challenges because of speeding, distracted driving, and improper lane changes. The objective of this research was to enhance CWZ communication and safety … [Read more...] about Passive Sensing Communication to Vehicles in Construction Work Zones Through Signage Coded on Pavement Surface
A Safety Service Patrol Case Study in the Use of Vehicle-Mounted Message Boards to Promote Move-Over Behavior
Move over, slow down laws have been enacted in all 50 U.S. states, plus the District of Columbia and Puerto Rico, to make safety service patrol (SSP) personnel safer. Emergency vehicle lighting and … [Read more...] about A Safety Service Patrol Case Study in the Use of Vehicle-Mounted Message Boards to Promote Move-Over Behavior