The Science of Sustainability

Tag: devil’s slide

At Last:  Devil's Slide Tunnels Open

At Last: Devil's Slide Tunnels Open

Two new tunnels that will replace a cliffhanger drive, known as "Devil's Slide," finally open.

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Historic Devil's Slide Tunnels Finally About To Open

Historic Devil's Slide Tunnels Finally About To Open

It's been a long time coming. The first highway tunnels to open in California in nearly fifty years are about ready for motorists.

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The Turns and Twists of the Devil's Slide Tunnel

The Turns and Twists of the Devil's Slide Tunnel

On October 1st, as news crews filmed the action, Caltrans broke through a retaining wall at the north portal of the Devil’s Slide tunnels on Highway One, opening a new way to link the coastal communities of Pacifica and Montara in San Mateo County.

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The Turns and Twists of the Devil's Slide Tunnel

The Turns and Twists of the Devil's Slide Tunnel

On October 1st, as news crews filmed the action, Caltrans broke through a retaining wall at the north portal of the Devil’s Slide tunnels on Highway One, opening a new way to link the coastal communities of Pacifica and Montara in San Mateo County.

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Geology of the Devil's Slide Area

Geology of the Devil's Slide Area

The combination of steep terrain and the geology of the Devil's Slide area have made this area prone to landslides since Highway 1 was constructed in the mid 1930s.

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Devil's Slide Tunnel Breakthrough

Devil's Slide Tunnel Breakthrough

A Caltrans construction crew on Friday punched through the northern end of Devil’s Slide tunnel that will link Pacifica and Montara. Three years after breaking ground on the project, Caltrans now expects the passage to open next year.

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