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California, USA

San Diego

San Diego County has four U.S. ports of entry into Tijuana and Baja California: San Ysidro (I-5, the world's busiest by passenger volume), Otay Mesa passenger (SR-905), Otay Mesa commercial, and Tecate (SR-188, rural). For southbound crossers, the choice is usually between San Ysidro convenience and Otay Mesa speed.

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San Ysidro

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