Devil's Slide

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Tunnel & Trail Opening 2013/2014

Devil's Slide Coast website welcomes the opening of the tunnel in March 2013.  The former Devil’s Slide roadway has been converted into a multi-modal segment of the California Coastal Trail, managed by County Parks, which opened in March 2014. (trail webpage)

Freeway Bypass or Tunnel

History of Devil’s Slide 2010: Caltrans’ plan for a 6-lane bypass over the mountain from Pacifica to HMB Airport, and the citizen ballot initiative for a tunnel solution.
Devil's Slide Story: 2012 CCC handout - lots of pictures, history, construction details.
Future of Bypass Land behind Montara.

Rural Highway 1 - Scenic 2-Lane Road

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The 1976 CA Coastal Act (Section 30254) mandates "that State Highway Route 1 in rural areas of the coastal zone remain a scenic two-lane road."   For the Midcoast that applies to the area north of Montara to Pacifica, outside the urban/rural boundary created by the LCP to contain development.

Devil's Slide Tunnel Bike/Ped Crossing

After the tunnel opened to traffic in 2013, the former Devil’s Slide roadway was converted into a multi-modal segment of the California Coastal Trail, managed by County Parks.  Bus stops and trail connections at the south portal require a bike/pedestrian crossing there. After much discussion about safety and alternatives, Caltrans moved forward with an at-grade crossing with an on-demand pedestrian crossing signal (site plans for public access/parking at north and south portals).