Wednesday, December 2, 2015

State Route 1-Lantos Tunnels-Overnight Full Closure Dec 4 at 10PM

State of California • Department of Transportation


Date: December 2, 2015
District: 4 - Oakland
Contact: Vince Jacala Contact: Bob Haus
Phone: 510-286-5206 Phone: 510-286-5576

State Route 1-Tom Lantos (Devil’s Slide) Tunnels
Mandatory Emergency Response Drill-Overnight Tunnel Closures
Reminder-Starts-Friday, December 4 at 10:00 PM

SAN MATEO COUNTY – Caltrans will conduct its second annual mandatory emergency response drill at the State Route 1 (SR-1)-Tom Lantos (Devil’s Slide) Tunnels.

The mandatory six-hour emergency response drill begins Friday, December 4 at 10:00PM and concludes Saturday, December 5 at 4:00 AM.

The exercise will take place either rain or shine.

For the safety of crews and the public, all northbound and southbound lanes on SR-1 through the Tom Lantos (Devil’s Slide) Tunnels will be closed during the exercise.

Lantos Tunnel-Detour Routes:
During the tunnel closures, the following detours between Pacifica and Half Moon Bay will be in effect. The California Highway Patrol (CHP) will also help direct motorists:

From Pacifica: North on SR-1 to southbound on Interstate-280 (I-280)
From Half Moon Bay: East on State Route 92 onto northbound I-280

The emergency management exercise will be a coordinated effort including the CHP, San Mateo County Sheriff’s Office, Pacifica Fire and Police Departments, California Office of Emergency Services, Cal-Fire, and other first responders.

During this exercise, there will be fire simulation, crash simulation, and simulated smoke.

For the latest Caltrans information, go to our District website at

Or follow us on Twitter at: http://twitter/com/CaltransD4
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