Tag: Roundabouts

  • April 18th, 2025

Roundabout implementation in the United States has increased in the last decade, and practitioners have learned lessons in successfully applying roundabouts in various land use and transportation environments and contexts. The TRB National Cooperative Highway Research Program’s NCHRP Research Report 1043: Guide for Roundabouts provides information and guidance on all aspects of roundabouts. Read the full guide […]

  • March 17th, 2016

France is ahead of the curve. The country is among the world’s leaders in circular intersections or roundabouts. Every 45th intersection in France is a roundabout, whereas the United States lags far behind with one per 1,118 intersections. That’s a real problem because researchers say roundabouts can save lives. According to data by the American […]

  • September 21st, 2013

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2389 consists of seven papers that explore driver yielding behavior to pedestrians; emissions estimation at multilane roundabouts; the safety effects of converting intersections to roundabouts; predictions of capacity for roundabouts; the influence of sight distance on crash rates and operating speeds; roundabout critical headway […]