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Devil's Slide Tunnel

Photos 

Devil's Slide Tunnels

North face, driving South

Photo taken by Craig Philpott in October 2013

Enlarge

BH Photo #267922

Map 

Street View 

Description 

Twin bore 4,000 foot tunnel thru promontory to realign highway and avoid crumbling seaside cliffs.

Facts 

Overview
Tunnel under Devil's Slide promontory on Hwy 1
Location
San Mateo County, California
Status
Open to traffic
History
Built 2013
Builder
- Caltrans
Design
Tunnel
Dimensions
Span length: 4,000.0 ft. (0.8 mi.)
Total length: 4,000.0 ft. (0.8 mi.)
Also called
Tom Lantos Tunnels
Approximate latitude, longitude
+37.57787, -122.51216   (decimal degrees)
37°34'40" N, 122°30'44" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/543075/4159092 (zone/easting/northing)
Quadrangle map:
Montara Mountain OE W
Inventory number
BH 58303 (Bridgehunter.com ID)

Update Log 

  • June 26, 2014: New Street View added by Ralph Demars
  • April 20, 2014: New photos from Craig Philpott
  • October 6, 2013: Added by Craig Philpott

Sources