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2003 Bay Area Road Miles
Mileage of Maintained Public Roads in Each County

County State
Highway
System		 County
Roads		 City
Roads		 Other
Roads		 Total
Alameda 211.83 470.10 2,944.60 1.89 3,628.42
Contra Costa 111.73 657.48 2,358.21 78.63 3,206.05
Marin 90.43 419.97 608.30 108.81 1,227.51
Napa 111.92 445.76 287.98 24.14 869.80
San Francisco 32.88 0.00 855.30 75.07 963.25
San Mateo 214.23 316.09 1513.04 34.94 2,078.30
Santa Clara 262.61 685.08 3,765.20 159.28 4,872.17
Solano 158.27 600.17 1,154.61 3.42 1,916.47
Sonoma 238.51 1,387.40 943.26 111.33 2,680.50
Bay Area 1,432.41 4,982.05 14,430.50 597.51 21,442.47

Source: 2003 Highway Performance Monitoring System (HPMS) electronic files. Data compilation by MTC staff. Data represents "centerline" miles by county and by system owner. The "other" system owners are defined as the state park system, the national park system, toll roads, and the Bureau of Indian Affairs.