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Berkeley Hills Tunnel information


Berkeley Hills Tunnel
An angular concrete structure
East portal structure of the Berkeley Hills Tunnel
Overview
Other name(s)Caldecott BART Tunnel
Line Y  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; 51 years ago (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)[1]
Grade1.2% (2% max)[2][3]

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.

  1. ^ "Figure 12".
  2. ^ "The Composite Report Bay Area Rapid Transit". Archive.org. Parsons Brinckerhoff / Tudor / Bechtel. pp. 19, 20. Retrieved 23 July 2018.
  3. ^ Cite error: The named reference geolith was invoked but never defined (see the help page).

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