SAN DIEGO -- Prepare for a traffic nightmare at San Diego's bustling border crossing this fall.
Cars won't be allowed to enter Tijuana through San Ysidro for more than two days in September.
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The closure will start at 3 a.m. on Saturday, Sept. 23 and will last until noon on Monday, Sept. 25.
The 57-hour border closure is part of a plan to realign a portion of the 5 Freeway.
It's the final phase of the $741 million expansion of the San Ysidro Port of Entry, which is the busiest border crossing in the Western Hemisphere.
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Vehicle traffic into Mexico will be rerouted to the Otay Mesa Port of Entry.
The Associated Press contributed to this report.
KABC
File images show a Mexico border crossing.