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  1. Roundabouts | Department of Transportation | Commonwealth of …

    Roundabouts are geometrically designed to reduce vehicle speeds to generally 25 mph or less, and all turns are right turns. This significantly reduces the severity of crashes over those at traditional …

  2. Roundabout - Wikipedia

    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.

  3. Roundabouts | FHWA

    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 …

  4. How to Use a Roundabout Correctly: Traffic Rules & Signaling

    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.

  5. Roundabouts | WSDOT

    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 …

  6. Understanding Traffic Rules for Roundabouts - First Time Driver Blog

    Roundabouts are designed to make intersections safe and efficient. But for many drivers, cyclists, and pedestrians, they remain a mystery. There are two types of roundabouts, single lane and double …

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    • How to drive Philly’s newest roundabout - WHYY

      Apr 27, 2025 · The city of Philadelphia is nearing completion of its latest traffic calming effort — a new roundabout. The Penrose Roundabou t in South Philly is set to finish on budget and six months …

    • How Roundabouts Work - HowStuffWorks

      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 …

    • Are Roundabouts Just For Rich People? — Streetsblog USA

      23 hours ago · Life-saving "roundabout" road treatments are disproportionately located in rich neighborhoods and missing from poor ones, but transportation officials can change those patterns of …

    • Roundabout Driving: Rules & Safety Tips - info.infinityauto.com

      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 …