Arterial Traffic Calming Program Report

Collisions on Traffic Calmed Streets

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

Emergency Response Study Recommendations DRAFT

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.

Impact of Traffic Calming Devices on Emergency Vehicles Report

List of Emergency Response Route Streets

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

School Crossing Treatment Study 1997

Speed Bump Citizen Focus Group

Speed Bump Peer Review Report 1998 Part 1

Speed Bump Peer Review Report 1998 Part 2

Speed Bump Peer Review Report 1998 Part 3

Split Speed Bump Report 1998

Split Speed Bump Report 1998

Traffic Circles

Twenty-two Foot Speed Bumps