Nogales, AZ – A major crash has shut down all northbound lanes of Interstate 19 at Mariposa Road in Nogales, according to the Arizona Department of Transportation (ADOT). The closure occurred near milepost 7 (kilometer 12) Wednesday morning, forcing drivers to reroute through local streets and alternate highways.
According to ADOT, the crash has completely blocked northbound traffic, and crews are on-site managing the scene. Motorists traveling north from the U.S.-Mexico border crossing or Santa Cruz County should expect heavy congestion and extended delays.
“There is no estimated time to reopen the highway,” ADOT stated in its latest update. Drivers are being urged to plan ahead, avoid the area if possible, and use real-time traffic resources through the AZ511 app or the website for detour information.
Traffic is currently being diverted at or before the Mariposa Road interchange, with congestion reported in downtown Nogales and surrounding routes.
This closure impacts one of southern Arizona’s busiest cross-border corridors, often used for commercial traffic and daily commuters between Nogales and Rio Rico.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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