The NCDOT Work Zone Traffic Control Section is collecting speed data on 6 random Interstate/Freeway projects across the state that are using both Digital Speed Limit Signs and Work Zone Presence … [Read more...] about An Evaluation of the Effectiveness of Digital Speed Limit Signs and Work Zone Presence Lighting on Speed Compliance During Lane Closure Operations
Variable Speed Limit Systems
Radar Speed Signs
Modern Solutions to Safe and Efficient Work Zone Travel
Eight-hundred fifty-seven fatalities occurred in work zones in the United States in 2020. One work zone fatality occurs for every 4 billion vehicle miles of travel and for every $112 million of … [Read more...] about Modern Solutions to Safe and Efficient Work Zone Travel
Variable Speed Limits Control for Smart Work Zone With Connected Vehicles
Freeway work zones with lane closures can cause traffic disruption and congestion with increased travel time, safety risks, and emissions. Variable speed limit (VSL) control has been widely studied to … [Read more...] about Variable Speed Limits Control for Smart Work Zone With Connected Vehicles