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UPDATE: Caltrans cancels closure of I-5 exit before US-Mexican border

Interstate 5 I-5
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SAN DIEGO (CNS) - Caltrans announced Monday afternoon it is reversing course on closing the last exit before the U.S.-Mexico border on I-5 for infrastructure improvements in the area.

Here's the email Caltrans sent to ABC 10News at 3:15 p.m.:

"Caltrans will no longer be closing close the Camino De La Plaza “Last U.S. Exit” off-ramp at southbound Interstate 5 (I-5) in San Ysidro. Caltrans determined that the full closure was not needed to conduct the infrastructure improvements, which are still set to be completed this week."

You can read the story about the originally planned closure from the City News Service below.


The last southbound Interstate 5 exit before the U.S.-Mexican border will experience a three-day closure for pipe installation work beginning Monday.

The closure will take place from 9 p.m. to 5 a.m. Monday through Wednesday as part of infrastructure improvements at the Camino De La Plaza off-ramp in San Ysidro, according to Caltrans.

Drivers who want to avoid crossing into Mexico can detour by exiting at the Via De San Ysidro Boulevard off-ramp on southbound I-5, turning right onto Via De San Ysidro Boulevard then left onto Calle Primera and continue toward Camino De La Plaza through Willow Road.

last_us_exit_i5_closure_092225_caltrans.png

Officials advised those who do not exit in time will be directed across the border into Mexico, and that drivers should plan ahead when using alternate routes.

Nearby residents can expect increased noise and traffic in the area, Caltrans officials said.

More information on upcoming closures ca be found at dot.ca.gov/caltrans-near-me/district-11.

Copyright 2025, City News Service, Inc.