Roadway Systems Branch

state highway with wide green median strip and mountains in the distanceThe Roadway Systems Branch collects and processes a variety of information about more than 7,000 miles of State Highway. This includes horizontal and vertical alignment data on each highway; geometric data which is contained in the State Highway Log; videotaping the entire State Highway system every two years and producing State Route Viewer (SRview); utilizing Global Positioning System (GPS) to collect location data for Geographic Information Systems (GIS) applications; and inventorying roadways to determine proper decision sight distance required to safely pass a vehicle.

Questions or comments regarding the Roadway Data's products and services, please Email the Roadway Systems Branch Manager or phone (360) 570-2369.

 

 

Please note that depending on the size and the amount of graphics contained in the .PDF File, you may experience a short delay while the file loads onto your browser.