This study investigates the impact of road signs on traffic congestion during road repairs using a cellular automaton (CA) model. The model simulates an urban dual-lane one-way road, incorporating a … [Read more...] about Impact of Road Sign on Traffic Congestion During Road Repair: A Cellular Automaton Model Study
Maintenance
NDOT Provides Update on I-80 Projects, Urges Nebraskans to Drive Safely in Work Zones
Major construction and rehabilitation projects are underway or nearing completion along Nebraska’s Interstate 80 corridor, spanning from Ogallala to Omaha. Initiated in 2024 and 2025, these projects … [Read more...] about NDOT Provides Update on I-80 Projects, Urges Nebraskans to Drive Safely in Work Zones
Maintaining Roads and Keeping Workers Safe Is a Constant Effort
Maintaining safe and reliable roadways requires more than materials and machinery—it depends on planning, preparedness, and strong leadership. This article highlights the work of Kevin Lenox, a TxDOT … [Read more...] about Maintaining Roads and Keeping Workers Safe Is a Constant Effort
Night Versus Day Work—Balancing Safety, Operations, and Constructability for Short-Term Operations on Two-Lane Roads
Allowable work hours (AWH), also known as Allowable Closure Hours or Limitations on Operations, for a contract dictate which hours of the day construction and maintenance activities may occur and are … [Read more...] about Night Versus Day Work—Balancing Safety, Operations, and Constructability for Short-Term Operations on Two-Lane Roads
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
Modeling and Simulation of Mixed Traffic Flow in Maintenance Operation Zone Considering the Impact of Trucks in an Intelligent Connected Environment
With the rapid development of intelligent connected technologies, the introduction of connected and autonomous vehicles (CAVs) into mixed traffic flows of passenger and freight vehicles complicates … [Read more...] about Modeling and Simulation of Mixed Traffic Flow in Maintenance Operation Zone Considering the Impact of Trucks in an Intelligent Connected Environment