A roundabout is a one-way circular intersection that channels traffic around a central island without traffic signals. Roundabouts are a great alternative to a signalized intersection when a high volume of …

A roundabout in southern Zagreb, Croatia features tram tracks passing through, curving at a 90° angle, as well as a full tram mini-roundabout inside the middle road island.

Watch the videos below to see how various types of vehicles drive through mini-roundabouts.

Feb 6, 2025 · Roundabouts are a Proven Safety Countermeasure because they can substantially reduce crashes that result in serious injury or death. Roundabouts can: PDF *Please note that this graphic is …

Nov 18, 2024 · If it’s unsafe to exit, circle around the roundabout and try again. As you leave, join traffic flow at a safe speed, and keep an eye on road signs and anyone on foot or bike.

Mar 3, 2021 · The modern roundabout keeps traffic moving more safely and efficiently. Studies even credit these roundabouts with reducing greenhouse gas emissions.

The roundabout central island and traffic medians force drivers to slow down to between 20 and 30 MPH. Slower vehicle speeds reduce the stopping distance needed which helps drivers avoid crashes.

roundabout is a circular intersection design where trafic travels at low speed around a central island and entering trafic must yield to circulating trafic. Roundabouts are safer and more eficient than traditional …

To facilitate safe, optimal operation and designs that are both consistent at a national level and consequential for driver expectation and safety, the Federal Highway Administration (FHWA) …