Skip to Main Content View Text-Only

Portland Bureau of Transportation

We keep Portland moving

Phone: 503-823-5185

Fax: 503-823-7576

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

More Contact Info

Traffic Calming Studies and Reports

Collisions on Traffic Calmed Streets

A draft evaluation of collisions before and after various devices were built in Portland.

Fourteen Foot Speed Bumps

Typical Impacts of 14-foot Speed Bumps on Emergency Vehicles

High Collision Locations

Intersections in Portland with more than 20 collisions in a 4-year period.

Impact Threshold Curve

A report of the methodology Portland uses to evalutate diversion to parallel streets after a project is constructed.

Offset Speed Tables for Reduced Emergency Response Delay

This report discusses the positive potential of utilizing offset speed tables on major emergency response routes.

Pedestrian Crash Map

Pedestrian Crash Map

Red Light Camera Biennial Report 2003

Red Light Camera Biennial Report 2003

Red Light Camera Biennial Report 2005

Red Light Camera Biennial Report 2005

Red Light Camera Biennial Report 2007

Red Light Camera Biennial Report 2007

Red Light Camera Biennial Report 2009

Red Light Camera Biennial Report 2009

Red Light Camera Biennial Report 2011

Red Light Camera Biennial Report 2011

Split Speed Bump Report 1998

Split Speed Bump Report 1998