Phoenix, AZ – Drivers in the North Phoenix and Anthem areas are facing major delays today after a crash shut down the eastbound lanes of Loop 303 near the I-17 interchange.
According to the Arizona Department of Transportation (ADOT), the closure was reported early Wednesday near milepost 138. All eastbound traffic on Loop 303 is currently being diverted before the I-17 connection, creating significant backups for morning commuters traveling toward I-17 and nearby communities in northern Maricopa County.
ADOT said there is no estimated time to reopen the eastbound lanes, and drivers should prepare for extended delays throughout the morning. The agency is urging motorists to seek alternate routes, especially those heading toward I-17 for southbound travel into Phoenix or northbound trips toward Black Canyon City.
The cause of the crash and whether any injuries occurred have not yet been released. Emergency crews remain on scene, and ADOT officials continue to monitor the closure and traffic conditions in real time. Additional updates will be provided as responders work to clear the roadway.
The Loop 303 and I-17 interchange is a heavily used connection between Phoenix, Anthem, New River and the broader north valley region. Closures in this corridor can result in travel delays across multiple nearby cities.
For live traffic updates and detour information, ADOT encourages drivers to check AZ511.gov or use the AZ511 mobile app on Apple and Android devices.
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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