I-10 Loop 202 to State Route 387 Wild Horse Pass Corridor

• Add third general-purpose lane in each direction within the existing median

• Construct new interchange at Seed Farm Road

• Reconstruct Pinal Avenue/SR387 interchange

• Reconstruct and widen Gas Line Road bridge

• Remove Dirk Lay Road bridge 

• Improve infrastructure and install freeway management system: fiber optic cable, CCTV cameras and overhead message boards

Construction began in January 2026 and will last approximately two years, with an estimated construction cost of $267.9 million.

Contractor: FNF Construction, Inc.

Expected Construction Timeline Early 2026 – Mid 2028

The Arizona Department of Transportation advises motorists to plan ahead while traveling on I-10 between Phoenix and Casa Grande on Thurs., Nov. 12.  The Sacaton rest stops on Interstate 10 south of the Phoenix area will close as crews with the I-10 Wild Horse Pass Corridor Project work on replacing and upgrading waterlines. 

While crews work on the replacement of waterlines, both the east and westbound Sacaton rest stops at milepost 181 for eastbound and milepost 184 for westbound I-10 traffic, will be closed on Thurs., Nov. 12 from approximately 8 a.m. to 4 p.m.