Variable Speed Limit Systems

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

Improving Road Worker Safety on the M1

The M1 Pacific Motorway in Australia is a critical route connecting Sydney with Newcastle, but poses significant risks to road workers due to live traffic conditions. In collaboration with Transport … [Read more...] about Improving Road Worker Safety on the M1

Work Zone Speed Management

Work zone crashes are a significant problem in the United States, and speed is often cited as a contributing factor. Research has shown that drivers believe their driving behavior is safe and speed is … [Read more...] about Work Zone Speed Management

Work Zone Intelligent Transportation Systems – Technology Supplement

This report represents a technology supplement to the 2014 Work Zone Intelligent Transportation Systems (WZITS) Implementation Guide (Report No. FHWA-HOP-14-008). The Guide forms the foundational … [Read more...] about Work Zone Intelligent Transportation Systems – Technology Supplement