Caltrans will close Interstate 805 Southbound from 9 p.m. Wednesday to 5 a.m. Thursday for construction work.
All southbound lanes of the freeway will be closed at Mira Mesa Boulevard/Sorrento Valley Road. Southbound I-5 will remain open.
All traffic for southbound I-805 will be detoured to the southbound I-805 bypass lanes to the Sorrento Valley Road off-ramp, then right back on at the southbound I-805 Mira Mesa Boulevard/Sorrento on-ramp.
Construction crews will be restriping the freeway lanes.