Traffic & Transit

I-5 Freeway Closures Begins In August: What To Know

CalTrans alerted drivers in the Lake Forest area that an extended road closure would be in place overnight in early August.

The Orange County Transit Authority, in cooperation with Caltrans, is widening the I-5 between State Route 73 and El Toro Road in Lake Forest.
The Orange County Transit Authority, in cooperation with Caltrans, is widening the I-5 between State Route 73 and El Toro Road in Lake Forest. (Photo: Ashley Ludwig)

LAKE FOREST, CA — CalTrans reports an extended Golden State Freeway (I-5) closure will begin in the Lake Forest area in August. The extended closures of the southbound I-5 Freeway between Alicia Parkway and El Toro Road will take place from Aug. 2 through Aug. 3 overnight, from 11 p.m. to 5 a.m.

The Orange County Transit Authority, in cooperation with Caltrans, is widening the I-5 between State Route 73 and El Toro Road in Lake Forest. The project will improve 6.5 miles of freeway for drivers through Mission Viejo, Laguna Niguel, Laguna Hills and Lake Forest. The $580 million project adds a regular lane of traffic to each direction and improves several ramps, officials say.

"Motorists should expect delays," according to a CalTrans spokesperson. "Detours will be in place."

Find out what's happening in Lake Forestfor free with the latest updates from Patch.

The roadwork which has been underway since 2019 will be complete in early 2025. Segment 1, from State Route 73 to Oso Parkway, is scheduled for completion in late 2024.

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