A parade of antique cars were the first vehicles to drive through the new tunnel.
The stretch of Highway 1 known as Devil's Slide has plagued drivers for more than 75 years. The road, south of San Francisco, has closed numerous times due to landslides, turning a seven-mile drive down the coast into a 45-mile detour. And the sharp turns are notorious for causing collisions. Not any more: Tuesday morning two new tunnels are opening to traffic. Reporter: Molly Samuel