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Neighborhood Traffic

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Traffic Safety Concerns

To report a traffic safety concern, request a stop sign, or request speed zone changes, please contact the Public Works Department by email or in writing at the following address:

City of Hillsboro Public Works
4415 NE 30th Avenue
Hillsboro, Oregon 97124

Please include the following in your letter or email:

  • Your name
  • Address
  • Daytime phone number
  • An email address if available

Speeding & Traffic Calming
The City of Hillsboro has developed a two-phased process for addressing speeding concerns. 

Phase I: Education and Enforcement


In most cases, speeding is not necessarily intentional, but rather a poor habit. Violators are often local residents who live in the neighborhood and are unaware they are speeding.

To alert drivers to their speeds, the Public Works Department manages portable radar signs, which are installed at locations with speeding issues and left in place for a period of four weeks. 


To request additional traffic enforcement, email the City of Hillsboro Police Department or call 503-681-6190.

Phase II: Engineering
Occasionally, when education and enforcement are not effective, roadway features must be changed to address traffic safety concerns.

Some examples of engineering solutions include: 

  • Increased signage
  • Additional crosswalks
  • Traffic circles
  • Medians

More Traffic Calming Information
Read our Neighborhood Traffic Calming Guide to learn more about how we work with the community to address speeding concerns.

Speed Zoning 
Speed zones help traffic move safely and efficiently. They also balance the needs of drivers, pedestrians, and cyclists with the needs of those who live and work along public roads.

Who Decides
The Oregon Department of Transportation (ODOT) and the City of Hillsboro work together to make speed zone decisions.

Image of a 25 miles per hour speed limit sign

At the City’s request, ODOT investigates roads and makes recommendations. The City reviews these proposals, and either creates new speed zones or makes objections. 

The following factors are considered:

  • Crash history
  • Lane and shoulder widths
  • Signals and stop signs
  • Number of intersections and accesses
  • Roadside development
  • Parking and bicycle lanes
  • Results of traffic studies and radar spot speed checks

If the organizations cannot reach an agreement, they refer the case to the Speed Zone Review Panel for a final decision. 

More Speed Zoning Information
Read our Speed Zones Guide to learn more about the Logic of Speed Zones, Speed Zone Standards, the Basic Rule, and the Speed Zone Review Panel. 

Stop Signs
Stop signs help drivers and pedestrians determine who has the right-of-way at an intersection. They are installed to improve safety at intersections where the normal right-of-way rule is not working. 

Stop Sign Criteria
The City of Hillsboro observes federal stop sign location guidelines.Image of a Stop Sign

One or more of the following conditions must exist: 

  • Intersection of a less important road with a main road where the normal right-of-way rules do not provide reasonable safe operation
  • A street enters a through highway or street
  • Unsignalized intersection in a signalized area
  • High speeds, restricted view, or crash records indicate need for a stop sign

Who Decides
The City Engineer makes careful decisions based on traffic studies that take into account traffic volume, intersection configuration, speeds, crash history, and best practices. Often, improving visibility can make an intersection safer than installing a stop sign.

Why not have stop signs at every intersection?
Unwarranted stop signs can actually result in increased accidents. They also increase noise and pollution levels. Furthermore, installing stop signs at every intersection would be very expensive. 

More Stop Sign Information
Read our Stop Sign Guide for more information about how we determine if a stop sign is necessary and the effect of stop signs on neighborhood traffic. 

Report Other Safety Concerns