San Luis Port of Entry
{{short description|Border crossing between Mexico and the U.S.}}
{{Use mdy dates|date=January 2025}}
{{Infobox port-of-entry
|name=San Luis Port of Entry
|image=San Luis AZ border station - panoramio.jpg
|image_size=300px
|image_caption=San Luis Border Inspection Station
|country=United States
|location=Highway 95 & International Border, San Luis, AZ 85349
|coordinates={{coord|display=it|32.485339|-114.782120|region:US_type:landmark}}
|opened= 1930
| blankdetailstitle1 = Phone
| blankdetails1 = (928) 627-8854
| blankdetailstitle2 = Hours
| blankdetails2 =Open 24 Hours
| blankdetailstitle3 = Exit Port
| blankdetails3 = San Luis Rio Colorado
| blankstatstitle1 = 2011 Cars
| blankstats1 = 3,941,304
| blankstatstitle2 =2011 Trucks
| blankstats2 = 0
| blankstatstitle3 =Pedestrians
| blankstats3 = 2,762,696
|website=http://www.cbp.gov/contact/ports/san-luis
}}
The San Luis Port of Entry has been a busy US port of entry since the early 1900s. It connects San Luis, Arizona, to San Luis Río Colorado, Sonora. It connects to U.S. Route 95 on the north and Mexican Federal Highway 2 as well as Sonora State Highway 40 on the south.
In 2010, all commercial truck traffic was diverted to the new San Luis II Port of Entry 5 miles to the east. In 2012, two additional inspection lanes were added to the port facility.
File:San Luis AZ border station 1932.jpg
The US built a Spanish revival brick border station in 1932. It replaced this building with the current facility in 1986. In 1952, Mexico built a border station that spanned the entire roadway, leaving only narrow portals for vehicles to pass. This configuration probably limited the size of the trucks that could use the crossing.
Traffic entering the United States must first travel west parallel to the border before turning right at the port of entry. This configuration prevents northbound traffic from creating congestion in the middle of San Luis Río Colorado.
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