—The project reroutes traffic away from a 1.2-mile slide-prone stretch of the Pacific Coast Highway.
—It is located between Montara and Pacifica, about 15 miles south of San Francisco.
—There are twin tunnels bored through San Pedro Mountain, each one is 30 feet wide and 4,200 feet long.
—Two 120-ton roadheaders bored the tubes through the mountain.
—These are the first tunnels built in California in more than 50 years.
—The tunnels are named after former Congressman Tom Lantos.
—Two bridges lead into the tunnels, each one is 1,000 feet long and 125 feet high.
—Originally a 5-year, $240 million project, it has cost $439 million and taken 7 years.
—The project is paid for entirely with federal emergency relief funds.
—The project has been run by the California Department of Transportation.
—Caltrans first began planning a bypass for the slide in 1958.