The California Department of Transportation (Caltrans) announces the scheduled overnight full closure of northbound Interstate 5 (Santa Ana Freeway) between Rosecrans Boulevard and Interstate 605 (San Gabriel River Freeway) with corresponding ramp closures to pour concrete for new lanes.
Closures are subject to change and are scheduled as follows:
From 11:00 p.m. to 5:00 a.m. each night through the night of Thursday, August 2:
- Northbound I-5 all lanes and corresponding ramps closed from Rosecrans Boulevard to I-605.
These closures are scheduled for four separate nights and will reopen each morning.
Detours signs will direct traffic off northbound I-5 to westbound Rosecrans Boulevard to northbound I-605 back to northbound I-5.
Alternate route: westbound State Route 91 (Artesia Freeway) to
northbound I-605 to northbound I-5.
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