General Contact Number: (530) 621-5567

Department of Transportation

​Transportation Planning

The Transportation Planning unit reviews transportation impact of new commercial and residential development through traffic impact studies, maintains the County's Traffic Model and oversees and implements the Countywide Traffic Impact Fee (TIF) Program.

Traffic Impact Study Guidelines

Vehicle Miles Traveled & SB 743

Level of Service (LOS)

Traffic Impact Fee Program

Travel Demand Model

2020 Major CIP & TIM Fee Update

Missouri Flat MC & FP Phase II

Other Links:

2016 Major CIP & TIM Fee Update

Capital Improvement Program