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Portland Bureau of Transportation

Phone: 503-823-5185

Fax: 503-823-7576

1120 SW Fifth Ave, Suite 800, Portland, OR 97204

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A chicane changes a street's path from straight to serpentine . A chicane may be constructed to give the illusion, from a distance, that a street no longer continues.


A chicane is intended to reduce vehicle speeds with less impact on emergency vehicles.


Not yet tested.


Estimated to be $5,000 - 10,000 per location.

Parking Impacts:

Parking removal may be necessary near the device.

Transit Service Impacts:

A chicane should not impede transit service or scheduling.

Emergency Services Impacts:

A serpentine chicane is preferred to speed bumps on emergency response route.

Noise Impacts:

No expected changes.

Other Considerations:

Not yet tested.

Examples In Portland: