Truck Routes

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STAA TRUCK ROUTES

The Surface Transportation Assistance Act (STAA) of 1982 allows large trucks to operate on the Interstate and certain primary routes called collectively the National Network. These trucks, referred to as STAA trucks, are longer than California legal trucks. As a result, STAA trucks have a larger turning radius than most local roads can accommodate.

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Map of the RC STAA Truck Route

What is the problem?

Operating STAA trucks on roads other than the designated routes can lead to a compromise of traffic safety resulting in property damage (wheel off-tracking onto curbs, planters, sidewalks, etc.) or traffic accidents (trapping vehicles in adjacent lanes, crossing into oncoming traffic lanes, etc.)

How can this be corrected?

To minimize potential property damage and/or traffic accidents due to wheel off-tracking, Sacramento County has designated STAA Truck Routes on county roads that can accommodate large trucks. These routes are identified with STAA signs posted along the roadway.

How is a route evaluated? 

Each route is evaluated using an engineering analysis that focuses on safety concerns related to a characteristic of these longer combination vehicles referred to as "off-tracking".

"Off-tracking" is a condition of a turning movement where the rear tires follow a shorter tracking path than the front tires. This off-tracking, the primary safety concern, may cause the rear wheels to go onto sidewalks, knock down signs, encroach onto shoulders, bike paths, walkways, or cross into the opposing/adjacent lane.

Contact Information

For more information on current STAA Truck Routes or to apply for an STAA route contact:

Tameem Samimi
Public Works
2729 Prospect Park Drive
Rancho Cordova, CA 95670
Phone: (916) 851-8905
Email: tsamimi@cityofranchocordova.org 

For information on current STAA Truck routes throughout California, visit Caltrans.

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