ADOT I-10/Loop 202 tp SR-387, Wild Horse Pass Corridor, Next phase of I-10 widening between Phoenix and Casa Grande
Next phase of I-10 widening between Phoenix and Casa Grande begins near Loop 202
Active construction launches on I-10 between Loop 202 and the Gila River
PHOENIX – Construction crews with the Interstate 10 Wild Horse Pass Corridor Project (I-10 between Phoenix and Casa Grande) have begun active construction on an 11-mile stretch of I-10 in both directions between Loop 202 (Santan/South Mountain freeways) and the Gila River.
This 11-mile stretch of I-10 is the third of four segments in the 26-mile project corridor between Phoenix and Casa Grande. In this segment, crews will:
- Add a third general purpose lane in both directions
- Add a high-occupancy vehicle lane in both directions from the Loop 202 to Riggs Road
- Reconstruct the interchanges at Wild Horse Pass Boulevard, Riggs Road and Queen Creek Road/State Route 347.
- Construct a new interchange between Wild Horse Pass Boulevard and Queen Creek/State Route 347, at Koli Road.
- Install overhead messaging boards, freeway cameras and wrong-way detection systems.
Construction began on the second project segment in January 2026. This 10-mile stretch of I-10 runs from Gas Line Road to just north of Casa Grande near the Pinal Avenue/State Route 387 interchange. In this segment, crews are adding a third general purpose lane in both directions, reconstructing the Pinal Avenue/State Route 387 interchange, constructing a new interchange at Seed Farm Road, widening the Gas Line Road bridge over I-10 and removing the Dirk Lay Road bridge over I-10.
Once completed, the I-10 Wild Horse Pass Corridor Project will help reduce traffic congestion and travel times for motorists commuting between the Phoenix and Casa Grande areas. All four segments of the 26-mile I-10 project are expected to be completed by late 2029.
Learn more at the I-10 Wild Horse Pass Corridor Project website.
Schedules are subject to change based on weather and other unforeseen factors. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or go to azdot.gov/contact and select Projects from the drop-down menu. For real-time highway conditions statewide, visit ADOT's Traveler Information Site at www.az511.gov, download the AZ511 app or call 511.
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