I-10 Loop 202 to State Route 387 Wild Horse Pass Corridor
I-10 Gas Line Road to South of SR 387
WATCH FOR overnight LANE RESTRICTIONS ON EASTBOUND & westbound I-10
I-10 Gas line Road to South of SR 387 Mileposts 177 – 187
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Add third general-purpose lane in each direction within the existing median
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Construct new interchange at Seed Farm Road
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Reconstruct Pinal Avenue/SR387 interchange
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Reconstruct and widen Gas Line Road bridge
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Remove Dirk Lay Road bridge
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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
Construction Updates
Drivers should watch for a new traffic configuration on I-10 just north of Casa Grande. Crews are shifting the existing two lanes of traffic to the outside lanes on eastbound I‑10 between Dirk Lay Road Bridge and SR 387/Pinal Ave. (Mileposts 177-187). They expect to have the new configuration fully in place by mid-May.
Crews are working overnight hours from 8 p.m. to 5 a.m. to get this work done. Lane restrictions related to the work can be found on the Traffic Alert page. Traffic Alerts
Later in May, drivers can expect crews to begin making the same shift to the westbound I-10 lanes in the same area.
These shifts will allow crews to begin constructing a third general‑purpose lane in the median. This traffic configuration will remain in place for about one year.
