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
Intersections
Review of Safety Audits of Roundabouts
This report summarizes the results of a selection of roundabout safety audits. This review has considered 50 audit reports, looking at the problems raised by the various auditors. The report goes … [Read more...] about Review of Safety Audits of Roundabouts
Work Zone Intersection Safety
It is a challenge to maintain safety and mobility at intersections in a work zone. For drivers unfamiliar with an intersection, a work zone can be a sudden, potentially dangerous surprise. For … [Read more...] about Work Zone Intersection Safety
Roundabout Design Guidelines
The Maryland State Highway Administration (SHA) began implementing modern roundabouts (RAB), circular at-grade intersections, in 1993. They are an effective intersection design which reduces the … [Read more...] about Roundabout Design Guidelines
Roundabouts: An Informational Guide
Although roundabouts have been in widespread use in other countries for a number of years, it is only during the past few years that their application in the United States has received increased … [Read more...] about Roundabouts: An Informational Guide
Modern Roundabouts and Traffic Crash Experience in the United States
Roundabouts have become very popular in Australia and many countries in Europe during the past few decades. In the U.S.A., however, roundabouts are just beginning to become an alternative treatment … [Read more...] about Modern Roundabouts and Traffic Crash Experience in the United States