Pavement markings and signs are important traffic control devices used to guide and regulate traffic movement through visual information presented to motorists. Signs and markings are made with … [Read more...] about Lidar for Maintenance of Pavement Reflective Markings and Retroreflective Signs
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Application of LiDAR and Connected Vehicle Data to Evaluate the Impact of Work Zone Geometry on Freeway Traffic Operations
Extensive literature exists regarding recommendations for lane widths, merging tapers, and work zone geometry to provide safe and efficient traffic operations. However, it is often infeasible or … [Read more...] about Application of LiDAR and Connected Vehicle Data to Evaluate the Impact of Work Zone Geometry on Freeway Traffic Operations
Best Practices for Maximizing Driver Attention to Work Zone Warning Signs
Studies have shown that rear-end crashes in the advance warning area for a work zone are the most common type of work zone crashes. Driver inattention (or distraction) is reported as the most common … [Read more...] about Best Practices for Maximizing Driver Attention to Work Zone Warning Signs
Evaluation of Innovative Traffic Safety Devices at Short-Term Work Zones
The objective of this study was to investigate and evaluate the usage and effectiveness of innovative traffic control devices that can be used in short-term work zones. Any device to be used in … [Read more...] about Evaluation of Innovative Traffic Safety Devices at Short-Term Work Zones
Assessing Automated Speed Enforcement in California
Speeding is known to be related to a significant portion of highway collisions. As part of the efforts to seek safety improvements of the California highway network, the California Department of … [Read more...] about Assessing Automated Speed Enforcement in California
Synthesis of Traffic Calming Techniques in Work Zones
Nationwide, over 1,000 fatalities and 40,000 injuries occur annually in work zones, which include both construction zones and areas where maintenance is performed. The majority (85%) of work zone … [Read more...] about Synthesis of Traffic Calming Techniques in Work Zones