KGO ABC7 News 1100AM February 22, 2016
And started looking into the walls of the tunnel and they found corrosion which they say is an huge surprise given the fact that this tunnel is 80 years old. Driving eastbound you may sea spots where concrete is removed. Thats because cal tran says worried it would break loose and fall on you. We moved the unfounded concrete and it is now exposed and now we have to rewire whats in there and discovered there is light corrosion on the rebar. Caltrans tested the tunnel walls after a chunk fell on a car last month. The driver was okay but the car was not. The block doing been 3,000 worth of damage...