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.

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.

As you approach a roundabout in your car, you'll notice a yellow, diamond-shaped sign with a circle of arrows denoting the roundabout ahead. It will also have suggested speed, usually around 20 to 30 …

Dec 15, 2025 · A roundabout is a circular intersection where traffic moves in one direction around a central island, designed primarily to keep vehicles flowing and reduce severe crash types. This …

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.

What is a roundabout? A modern roundabout is a circular intersection where drivers travel counterclockwise around a center island. There are not traffic signals or stop signs in a modern …

Jan 25, 2025 · Vehicles enter and exit through connecting roads without the need for traffic signals, yielding to the traffic already circulating within the roundabout. Unlike traditional intersections, …

Dec 31, 2024 · Simply put, a roundabout is a circular intersection that can help with the flow of traffic. At the center of each intersection is an island, and vehicles typically circulate around it in a …

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 …