Roundabouts
A roundabout is an intersection where traffic flows in a counter-clockwise direction around a central island to several exits onto the various intersecting roads. Roundabouts can improve road safety, manage increased traffic demand, and help improve air quality by eliminating unnecessary stops and idling.
Benefits of a roundabout
- Simplify decision making, as drivers only need to look in one direction for oncoming traffic.
- Reduce the number of conflict points and eliminate the most severe head-on and left-turn crashes at traditional intersections.
- Reduce the severity of accidents due to lower speed.
- Reduce vehicle delay by allowing motorists to YIELD rather than STOP.
- Reduce fuel consumption by eliminating idling at a red light.
- Eliminate operation and maintenance costs associated with traffic signals.
Action | Safety considerations |
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Driving |
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Cycling |
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Walking |
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Emergency vehicles
- If you have not entered the roundabout, pull over to let the emergency vehicle pass.
- If you are already inside the roundabout, do not stop. Instead, continue to your exit, then pull over to allow the emergency vehicle to pass.
Resources
- City of Oshawa Roundabout Brochure
- Durham of Region: Road and Traffic Safety
- Ontario Ministry of Transportation: Highway Roundabouts
· Slow down when approaching the roundabout.
· Yield to pedestrians within the crosswalk.
· Look to the left, yield to all traffic within the roundabout.
· Check left and right to find a safe gap and enter the roundabout.
· Within the roundabout, maintain low speeds and do not pass vehicles or cyclists.
· Give other vehicles plenty of space.
· As you exit the roundabout, watch for cyclists and pedestrians within the crosswalk.
· The "truck apron" around the middle island is for large trucks when turning.