A new Virginia law, effective July 1, 2025, will allow authorized roadside workers to equip their vehicles with portable changeable message signs (CMS) displaying warnings like “Slow Down, Move Over.” … [Read more...] about New Virginia Law Allows Roadside Workers to Use Safety Message Signs
Using ITS in Work Zones
Safety and Operational Impacts of Different Autonomous Vehicle Operations on Freeway Work Zones
The emergence of new Connected and Autonomous Technology (CAT) has led to significant enhancements in operational efficiency and safety within the realm of transportation. Autonomous Vehicles (AVs) … [Read more...] about Safety and Operational Impacts of Different Autonomous Vehicle Operations on Freeway Work Zones
An Integrated Lane Change Control Method for Freeway Segments With Lane Drop in a Connected Mixed Traffic Environment
Segment with lane drops are very important in freeway systems since they are major constrains to traffic flow and safety. The frequency of capacity reductions and higher safety risks is proportional … [Read more...] about An Integrated Lane Change Control Method for Freeway Segments With Lane Drop in a Connected Mixed Traffic Environment
Technologies to Improve Work Zone Safety
CPWR, ARTBA, and the NORA Construction Sector Council Struck-by Work Group hosted this webinar as part of the National Stand-Down to Prevent Struck-by Incidents in Construction. The webinar covers … [Read more...] about Technologies to Improve Work Zone Safety
Traffic Flow Simulation Analysis of Mixed Traffic Flow Involving CAVs and Human-Driven Vehicles in Urban Work Zones
With the acceleration of urbanization, developing public transportation is an important means to alleviate travel pressure and traffic congestion in cities. Work zones that occupy urban road resources … [Read more...] about Traffic Flow Simulation Analysis of Mixed Traffic Flow Involving CAVs and Human-Driven Vehicles in Urban Work Zones
Lane-Change Response to Infrastructure Warning About Lane Closure in a Mixed Vehicle Fleet
Fostering the safe and efficient operation of road networks that include vehicles equipped with SAE International® Level 3™ (L3) automation and a cooperative automated driving system (C-ADS) requires … [Read more...] about Lane-Change Response to Infrastructure Warning About Lane Closure in a Mixed Vehicle Fleet