Daily sightings of traffic cones were logged over a six-month period in an attempt to provide data about the frequency and novelty of such encounters, and to yield examples of the variety of uses for … [Read more...] about The Ubiquitous Orange Traffic Cone: An Observational Study
Data Collection
Lidar for Maintenance of Pavement Reflective Markings and Retroreflective Signs
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
Improving Work Zones Every Day, in Every Way
In 2015, over 700 people were killed, and 35,000 people injured in more than 96,000 work zone related crashes. This article discusses a comprehensive set of programs, strategies, and tools the … [Read more...] about Improving Work Zones Every Day, in Every Way
Connected Vehicle Data-Based Tools for Work Zone Active Traffic Management
Work zones present challenges to safety and mobility that require agencies to balance limited resources with vital traffic management activities. It is important to obtain operational feedback for … [Read more...] about Connected Vehicle Data-Based Tools for Work Zone Active Traffic Management
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
Work Zone Intrusion Report Interface Design
While necessary for roadways, work zones present a safety risk to crew. Half of road workers deaths between 2005 and 2010 were due to collisions with motorists intruding on the work zone. Therefore, … [Read more...] about Work Zone Intrusion Report Interface Design