Traffic Engineering
"People Serving People"
    CITY OF RIVERSIDE
                                Vol. V
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Vol. V

 
 
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   Did You Know . . . ?
                  Traffic Facts

Riverside employs 100 permanent crossing guards and 10 substitutes at a cost of $500,000 annually. These crossing guards are placed at 93 locations to help students get to school and home again safely each day. The two newest locations to be assigned crossing guards are Orange Terrace Parkway and Silk Oak Drive, and Philbin Avenue and Rutland Avenue.

 

U-turns, you can cross the centerline of the street to make a u-turn.  In a business district you can't make a u-turn except at an intersection and in a residence district you can make a u-turn if no other vehicle is approaching within 200 feet.

 


Setting the Speed Limit - An engineering and traffic survey is conducted using a sampling of the speeds of 100 vehicles. The highest speed that 85% of the vehicles are traveling is determined by the survey. This is called the 85th percentile speed. This 85th percentile speed is used as a guideline in determining the speed limit.

The speed determined by the 85th percentile can be adjusted downward based on curves in the road, pedestrian activity, road surface characteristics and other roadway conditions.

Many people that have attended traffic school in the past were told that speed surveys are valid for enforcement purposes for 5 years.  Changes in the Vehicle Code now make our speed surveys valid for 7 to 10 years.   

 
PAGE UPDATED 07/16/03    *Designed and Created by the Trafficmaster