A Monday, Jan. 26, crash that brought down a highway sign on state Route 18 has caused the on-ramp to Interstate 77 to close.

All lanes of northbound Interstate Highway 680 in Pleasanton were closed Wednesday morning while crews inspected an overhead sign that was struck and damaged by a big rig, according to the California ...

TxDOT said the closure, near the New Braunfels Avenue exit, is expected to end Saturday evening.

Delays up to an hour are possible.