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
Laser Radar
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
States Crack Down on Speeding in Construction Zones
To reduce fatalities and improve work zone safety, states have used various traffic control methods. Illinois uses cameras to catch speeders and its work zone speeding fines were toughened up: … [Read more...] about States Crack Down on Speeding in Construction Zones
Use of Speed Monitoring and Communications Display for Traffic Control
The objective of this research was to: 1) identify or develop a speed monitoring display suitable for use in interstate highway work zones, and 2) evaluate the display's effectiveness in reducing … [Read more...] about Use of Speed Monitoring and Communications Display for Traffic Control