Data Collection

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

Guidance for Incorporating Work Zone Data Within Traffic Management Operations

The ability for agencies to notify vehicles that they are approaching a work zone has the potential to reduce crashes by increasing motorists’ awareness of the conditions. A critical element of this … [Read more...] about Guidance for Incorporating Work Zone Data Within Traffic Management Operations

Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs

This study investigated the viability of using crowdsourced data sets, specifically segment speed data (SSD) and connected vehicle data (CVD), for providing real-time traffic information to the … [Read more...] about Usefulness and Reliability of Probe Data When Alerting Work Zone Message Signs

Smart Work Zone Control and Performance Evaluation Based on Trajectory Data

Work zone control strategies, such as taper length and transverse rumble strips, have the potential to significantly impact traffic operations and safety. The performance of these strategies is often … [Read more...] about Smart Work Zone Control and Performance Evaluation Based on Trajectory Data

Perception of Road Users on Impact of Delayed Road Construction Projects on Livelihoods in Ashanti Region

Road construction delays in Ghana's Ashanti Region have detrimental impacts on livelihoods and health risks for residents and road users. This study examines road users’ perceptions (drivers, … [Read more...] about Perception of Road Users on Impact of Delayed Road Construction Projects on Livelihoods in Ashanti Region