Roundabouts: An Informational Guide – Second Edition

Source: TRB National Cooperative Highway Research Program

This report updates the FWHA'S Roundabouts: An informal Guide based on experience gained in the United States since that guide was published in 2000. The report addresses the planning, design, construction, maintenance, and operation of roundabouts. It also includes information that will be useful in explaining to the public the trade-offs associated with roundabouts.