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Caltrans announces overnight closure of SR99, Ave. 12 ramps

The California Department of Transportation (Caltrans), along with Security Paving, announced the overnight closure of northbound State Route 99, at Avenue 12, for several nights starting August 28.

The closure is needed for crews to install precast girders for the Cottonwood Creek Replacement Project currently happening on the southbound lanes. The overnight closures are scheduled to last three nights. The following will occur:

• Northbound State Route 99, at Avenue 12, will be closed during the overnight hours of August 28-30.

• The closures will begin at 10:30 each night and go until 4:30 the following morning.

• Drivers will be escorted off the highway at the Avenue 12 off-ramp and then brought back onto the highway using the northbound Avenue 12 on-ramp.

• Flaggers will be onsite to help guide drivers through the detour.

• The No. 1 lane of northbound State Route 99, beginning at Avenue 9, will be closed beginning at 8 p.m. to help crews prepare for the overnight closures.


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