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A Customs and Border Protection officer checks a passport at the port of entry in San Luis. The SENTRI program, designed to speed trips across the border, is intended for U.S. citizens as well as Mexican citizens with visas and green cards.

The SENTRI program is designed to cut wait times by running extensive background checks once, in advance – and then letting qualified travelers use a dedicated entry lane with a processing time of about 10 seconds. Read more»