Caltrans used remotely-operated bulldozers and excavators, controlled from a distance, on areas of the cliffside where there was heightened geological risk. Credit: Brendan Carretero / Mustang News 2019
Caltrans used remotely-operated bulldozers and excavators, controlled from a distance, on areas of the cliffside where there was heightened geological risk. Credit: Brendan Carretero / Mustang News 2019