SAN DIEGO — Crews will close the last southbound Interstate 5 exit before the U.S.-Mexico border from Monday, September 22, through Wednesday, September 24, according to Caltrans.
The Camino De La Plaza off-ramp in San Ysidro will close from 9 p.m. to 5 a.m. for pipe installation as part of infrastructure improvements.
Caltrans said signs will be posted ahead of the closure to remind drivers…