Interstate 680 (California) - Exit List

Exit List

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, and do not necessarily reflect current mileage. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.

County Location Postmile
Exit
Destinations Notes
Santa Clara
San Jose M0.00 1A I-280 north – Downtown San Jose Continuation beyond US 101
M0.00 1B US 101 (Bayshore Freeway) – Los Angeles, San Francisco Southbound exit and northbound entrance
M0.39 1A King Road Signed as exit 1C southbound
M1.19 1B Jackson Avenue Northbound exit and southbound entrance
M1.41 1C Capitol Expressway (CR G21) Signed as exit 1D southbound
M1.74 2A Alum Rock Avenue (SR 130)
M2.38 2B McKee Road
M3.84 4 Berryessa Road
M4.80 5A Hostetter Road Southbound exit is via exit 5
M5.07 5B Capitol Avenue Signed as exit 5 southbound
San Jose–Milpitas line M6.17 6 Montague Expressway (CR G4), Landess Avenue
Milpitas M7.65 8 SR 237 (Calaveras Boulevard) – Central Milpitas
M8.50 9 Jacklin Road
Alameda
Fremont M0.13 10 Scott Creek Road – Warm Springs District
M2.38 12 SR 262 (Mission Boulevard) to I-880 Former SR 21 north
M4.02 14 Auto Mall Parkway, Durham Road
M5.37 15 Washington Boulevard – Irvington District
R6.40 16 SR 238 (Mission Boulevard) Former SR 21 south
R7.48 18A Vargas Road Signed as exit 18 southbound
R8.31 18B Sheridan Road Southbound exit is via exit 20
R9.71 20 Andrade Road
R11.04 21A SR 84 west (Calaveras Road) – Sunol, Dumbarton Bridge South end of SR 84 overlap; signed as exit 21 northbound; former SR 21 north
R11.85 21B SR 84 east – Livermore North end of SR 84 overlap; southbound exit is via a U-turn at exit 21
R12.44 22 Sunol Southbound exit and northbound entrance; former SR 21
Pleasanton R15.26 25 Sunol Boulevard, Castlewood Drive – Pleasanton
R16.75 26 Bernal Avenue – Pleasanton
R19.30 29 Stoneridge Drive
Pleasanton–Dublin line R20.06 30 I-580 – Dublin, Oakland, Livermore, Stockton Signed as exits 30A (east) and 30B (west)
Dublin R20.39 30A Dublin Boulevard No northbound exit; former US 50
Contra Costa
San Ramon R0.01 31 Alcosta Boulevard – Dublin
R2.89 34 Bollinger Canyon Road
San Ramon–Danville line R4.18 36 Crow Canyon Road – San Ramon
Danville R6.76 38 Sycamore Valley Road
R7.55 39 Diablo Road – Danville
R8.18 40 El Cerro Boulevard
R8.75 41 El Pintado Road Northbound exit is via exit 40; Southbound exit and northbound entrance only
Alamo R10.37 42 Stone Valley Road Signed as exits 42A (east) and 42B (west)
R11.28 43 Livorna Road
Walnut Creek R12.61 44 Rudgear Road Southbound exit is via exit 45A
13.08 45A South Main Street – Walnut Creek No northbound entrance; former SR 21
13.93 45B Olympic Boulevard
14.38 46A SR 24 west – Lafayette, Oakland Signed as exit 46 southbound
14.85 46B Ygnacio Valley Road Northbound exit and southbound entrance
15.61 47 North Main Street – Walnut Creek Former SR 21
16.40 48 Treat Boulevard, Geary Road
Pleasant Hill R17.29 49A Contra Costa Boulevard – Pleasant Hill Northbound exit and southbound entrance; former SR 21
R17.70 49B Monument Boulevard, Gregory Lane Signed as exit 49 southbound; former SR 24 east
Concord–Pleasant Hill line R18.71 50 SR 242 – Concord, Pittsburg Northbound exit and southbound entrance
19.04 51 Willow Pass Road, Taylor Boulevard
19.86 52 Concord Avenue, Burnett Avenue – Pacheco, Concord
21.19 53 SR 4 – Pittsburg, Antioch, Martinez, Hercules
22.43 54 Pacheco Boulevard, Arthur Road Former SR 21
Martinez 24.26 56 Marina Vista Road, Waterfront Road – Martinez
Contra Costa – Solano county line
Martinez - Benicia line Benicia–Martinez Bridge over Carquinez Strait
Solano
Benicia 0.68 58A I-780 west – Benicia, Vallejo Signed as exit 58 southbound; former I-680 north
R1.00 58B Bayshore Road Northbound exit and southbound entrance
R1.46 60 Industrial Park Southbound exit and northbound entrance
R2.82 61 Lake Herman Road Former SR 21 south
R5.02 63 Parish Road
R7.32 65 Marshview Road
Fairfield R10.02 68 Gold Hill Road
12.63 70 Green Valley Road – Cordelia Northbound exit and southbound entrance
13.13 71 I-80 / SR 12 – Fairfield, Sacramento, Napa, San Francisco Northbound exit and southbound entrance; signed as exits 71A (east) and 71B (west)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  • Concurrency terminus
  • Closed/Former
  • HOV
  • Incomplete access
  • ETC only
  • Unopened

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