Part of Hwy. 101 is sliding toward the Pacific. Caltrans hopes a $2B tunnel will solve the problem

The constant maintenance is why Caltrans wants to build a $2 billion tunnel that will bypass the tumultuous landscape.

A major California highway is sliding toward the sea. There is no quick fix

In California's far north, an audacious feat of highway engineering is crumbling toward the ocean. The fix is expected to ...