Berkeley Hills Tunnel

Berkeley Hills Tunnel
East portal structure of the Berkeley Hills Tunnel
Interactive map of Berkeley Hills Tunnel
Overview
Other nameCaldecott BART Tunnel
Line Yellow Line
LocationAlameda County, California
CoordinatesOakland portal:
37°51′05″N 122°14′17″W / 37.85139°N 122.23806°W / 37.85139; -122.23806
Orinda portal:
37°52′29″N 122°11′16″W / 37.87472°N 122.18778°W / 37.87472; -122.18778
SystemBay Area Rapid Transit
CrossesBerkeley Hills, Hayward Fault
StartRockridge Station, Oakland
EndOrinda Station, Orinda
No. of stationsNone
Operation
Work begun1965
Constructeddrill-and-blast
OpenedMay 21, 1973 (1973-05-21)
OwnerSan Francisco Bay Area Rapid Transit District
OperatorSan Francisco Bay Area Rapid Transit District
CharacterRapid transit
Technical
Line length3.1 mi (5.0 km)
No. of tracks2
Track gauge5 ft 6 in (1,676 mm)
(Indian gauge)
ElectrifiedThird rail, 1000 V DC
Tunnel clearance16.8 feet (5.1 m)
Grade1.2% (2% max)

The Berkeley Hills Tunnel is a tunnel which carries Bay Area Rapid Transit (BART) Yellow Line through the Berkeley Hills between Rockridge station and Orinda station.