Although roundabouts have recently gained popularity and use in the United States, minimal guidance is available for constructing roundabouts or installing, maintaining, and removing temporary traffic … [Read more...] about Temporary Traffic Control for Building and Maintaining Single and Multi-Lane Roundabouts (guideline)
Intersections
Construction Zone Ticket Thrown out
Ray Haggard received a ticket for making an illegal turn on an intersection. He took pictures of the intersection to prove that no signs were actually posted about illegal left turns. The construction … [Read more...] about Construction Zone Ticket Thrown out
Work Zone Intersection Safety
It is a challenge to maintain safety and mobility at intersections in a work zone. For drivers, pedestrians, and bicyclists unfamiliar with an intersection, a work zone can be a sudden, potentially … [Read more...] about Work Zone Intersection Safety
Path Guidance Information in Advance of Work Zones at Urban Freeway Interchanges
Work activities at complex urban freeway interchanges often result in modified lane assignments and the temporary misalignment of existing overhead guide signs with the travel lanes. Thus, researchers … [Read more...] about Path Guidance Information in Advance of Work Zones at Urban Freeway Interchanges
Improved Temporary Traffic Control Guidelines for Urban Freeway Interchanges
Evidence exists to suggest that drivers often have difficulty in navigating through work zones that occur within the vicinity of complex urban freeway interchanges. The numerous existing guide signs, … [Read more...] about Improved Temporary Traffic Control Guidelines for Urban Freeway Interchanges
Studies to Improve Temporary Traffic Control at Urban Freeway Interchanges and Pavement Marking Material Selection in Work Zones
This report describes the methodology and results of analyses performed to develop guidelines on (1) how to improve temporary traffic control at work zones in and near urban freeway interchanges, and … [Read more...] about Studies to Improve Temporary Traffic Control at Urban Freeway Interchanges and Pavement Marking Material Selection in Work Zones