Realistic speed zones preserve uniformity of speed, which reduces the possiblity of conflict between faster and slower drivers and provides a higher level of safety.

Uniformity of speed maintains consistency in traffic gaps and allows pedestrians and crossing traffic to more accurately judge the speed of oncoming vehicles.

Realistic speed zones provide law enforcement an effective enforcement tool by distinctly separating violators from the reasonable majority.

Citizens are more supportive of enforcment of reaonable regulations.

Drivers are more likely to comply to the behavior of the majority and gives a clear reminder to violators.

State law allows counties to set standard speed limits for roads where no limit is posted. Our county has set the standard limit at 25 Miles Per Hour (MPH).

The speed limit for local roads is set at 25 MPH. Higher speed limits for arterials are determined through traffic investigations.

Each arterial classification has a range of speed that is assigned on an individual basis. Major arterials tend to have a higher range of speed while collector arterials have a lower range of speed.

Within the established ranges, several factors determine the actual speed limit on a particular road:

• Road surface and shoulder characteristics, grade, curves, and sight distance.
• The 85th percentile speed?the speed at or below which 85 percent of traffic is moving.
• Influence of driveways, side streets, and adjacent land uses along the road.
• Reported accident experience.

The Pierce County Council officially adopts changes in speed limits into Pierce County Code. The speed limits are considered implemented when the speed limit signs are installed. The process includes public hearings and can take up to four months to complete.