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LACM - San Fernando Tunnel

Photos 

South portal

Photo taken by Jann Mayer in October 2002

License: Creative Commons Attribution (CC BY)

Enlarge

BH Photo #241615

Map 

Description 

This tunnel linked Los Angeles to northern California. It was the fourth longest tunnel in the world when completed, and the third longest in the US. The southern portal is now hidden below the "bowl of worms" freeway interchange.

Facts 

Overview
Tunnel under Freemont Pass/San Fernando Pass on Union Pacific Railroad/Metrolink
Location
Santa Clarita, Los Angeles County, California
Status
Open to traffic
History
Work started March 22, 1875, opened August 12, 1876.
Railroads
- Commuter Rail
- Los Angeles County Metropolitan Transportation Authority (LACM)
- Metrolink (Southern California) (SCAX)
- Southern Pacific Railroad (SP)
- Union Pacific Railroad (UP)
Design
Concrete lined tunnel - originally wood lined.
Dimensions
Total length: 6,966.0 ft. (1.3 mi.)
Deck width: 18.0 ft.
Vertical clearance above deck: 22.0 ft.
Also called
SP - San Fernando Tunnel
UP - San Fernando Tunnel
Newhall Railroad Tunnel
Approximate latitude, longitude
+34.34553, -118.51326   (decimal degrees)
34°20'44" N, 118°30'48" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/360816/3801506 (zone/easting/northing)
Quadrangle map:
Oat Mountain
Inventory number
BH 53982 (Bridgehunter.com ID)

Update Log 

  • October 18, 2012: Updated by Luke Harden: Removed "Southern Pacific Railroad Co." from builders section to avoid redundancy with railroad categories.
  • October 18, 2012: Added by Jann Mayer

Sources