680 On-Ramp To Close Weekdays

ALAMO, CA — The Stone Valley Road on-ramp to southbound I-680 will be closed 10 a.m. to 6 p.m. Monday through Friday through August, Caltrans said.

The agency said the closures will support ongoing fiber optic installation, ramp metering system improvements, the widening of the on-ramp, and reconstruction o the retaining wall and sound wall.

Work is weather dependent and subject to change.

Drivers are advised to take a left or right turn from Stone Valley Road to northbound Danville Road, turn right onto eastbound Livorna, and enter the southbound I-680 on-ramp.

See here for more information.

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