• Paved Road 2

Mile Totals

Centerline Miles

Total Centerline Miles: 1,368.75

Centerline mile totals account for the total road length, not accounting for roadway width or number of lanes.

By Supervisorial District

District 1: 259.48
District 2: 230.55
District 3:  18.05
District 4: 336.63
District 5: 524.03

By Functional Class

Other Principal Arterial: 1.30
Minor Arterial: 34.62
Major Collector: 316.18
Minor Collector: 114.78
Local: 901.87

(Last Updated: April 13, 2020)

Lane Miles

Total Lane Miles: 2,747.28

Lane miles indicate the total length of roadway taking number of lanes into account. For example, a 1-mile road with 2 lanes (one for each travel direction) is considered 2 lane miles.

Note that any section of road allowing travel in both directions is considered two (2) lanes, regardless of its width. A road section with two (2) lanes of travel in each direction is considered four (4) lanes.

(Last Updated: April 13, 2020)

Contact Information

Business Hours
Monday – Friday
8:00 AM – 5:00 PM
Contact us by Phone
Office Location
La Plaza B
2300 County Center Drive
Suite B 100
Santa Rosa, CA 95403
38.462023, -122.725381

Road Paving Projects

Sonoma County Pavement Preservation Program


See information about road paving projects in unincorporated Sonoma County.