plagued by mudslides, rockslide, slip out. every time is at the close, the local economies have been devastated. this tunnel is a solution to a long-term problem. >> a rockslide a been a problem ever since highway one open up in 1937. more than 70 years and $149 million later, caltrans says drivers finally have a reliable way to get through this treacherous 1.3 mi. stretch of road. >> 7068 am and