I-10 Loop 202 to State Route 387 Wild Horse Pass Corridor
I-10 Wild Horse Pass Corridor Round Up – April 2026
WATCH FOR overnight LANE RESTRICTIONS ON EASTBOUND & westbound I-10
I-10 Wild Horse Pass Corridor Construction Updates
The I-10 Wild Horse Pass Corridor Project’s overall goal is to help reduce congestion and travel times, and increase safety along the 26-mile corridor by adding an additional general-purpose lane in each direction between Loop 202 to just south of State Route 387. Once completed, the entire stretch of I-10 between Phoenix and Tucson will be three lanes in both directions.
The corridor improvements are being completed as four separate, individual projects and the entire project corridor is expected to be completed by late 2029.
I-10 Bridges Over the Gila River Project
Crews completed the new westbound I-10 bridge over the Gila River in March and temporarily shifted all east- and westbound traffic on to the new bridge so they can complete construction on the rest of the new eastbound bridge. This is the final phase of the project. After removing the original eastbound I-10 bridge structure, crews got to work constructing 16 drilled shafts that will be part of the substructure for the new bridge. Next, crews will construct the piers and pier caps, lay girders and complete construction of the bridge deck to tie it into the segment of the eastbound bridge that was completed in April 2025. Construction on the bridge is expected to wrap up in late summer or early fall of 2026.
I-10 Gas Line Road to South of SR 387 Project
After three months of active construction, including earthwork and grading, drivers traveling through the section of the Corridor closest to Casa Grande are starting to see the new traffic interchanges at Gas Line Road, Seed Farm Road, and SR 387 take shape. Crews have been building up the embankments for ramps, clearing areas for widening, and preparing shoulders for temporary traffic shifts to the outside. Soon, drivers will notice increased activity on I-10 east of Seed Farm Road as crews begin constructing the new travel lanes in the median.
I-10 Gila River Indian Community Project
With construction slated to begin on the project’s most northern segment of the project near the end of Summer, the project team for this segment is finalizing the design and construction plans for the busiest segment of the Corridor between the I-10 Gila River Bridges and Loop 202 in the Chandler/Phoenix area. Planned improvements include a third general purpose travel lane in each direction, an additional HOV lane between Loop 202 and Riggs Road in each direction, improved interchanges at Wild Horse Pass Blvd., SR 347/Queen Creek Road, and Riggs Road, and an updated bridge over I-10 at Goodyear Road.
Project Team Profile: Marcy McMacken
If you have seen a news story about an ADOT project or followed ADOT on social media, you have probably seen Marcy McMacken standing near a major highway talking about the great work that ADOT construction teams do to improve highways throughout our state. And if you are following the progress on the I-10 Wild Horse Pass Corridor Improvement Projects, you will be seeing a lot more of Marcy as activity on the project increases as she is the face and the voice of the Corridor.
Marcy knows her way around a roadway construction project. Prior to joining ADOT, Marcy worked as a community outreach specialist at Maricopa Association of Governments (MAG), the region’s transportation planning agency. There, she gained valuable experience that she now brings to her role at ADOT as a community outreach manager and public information officer. At ADOT, she worked on the state’s largest urban freeway reconstruction project to date, the I-10 Broadway Curve Improvement Project.
“Prior to working at MAG and ADOT, I had no idea just how much goes into freeway transportation planning, designing and construction,” said Marcy. “And now that I do, I now know why it takes time to plan and deliver freeway construction projects.”
Marcy notes that her role requires her to build and maintain relationships with project partners, stakeholders, the public, and media to keep everyone informed about the project's construction activities. Under Marcy’s direction, the project’s public involvement team uses multiple tools and communications channels to share updates about the project’s progress, as well as traffic restrictions and construction impacts. Marcy also works closely with media to share updates and stories about construction throughout the Corridor.
“I believe in being transparent and sharing as much information as possible about freeway construction work to avoid a ‘no surprises’ reaction,” Marcy said. “In the end, we want everyone to be well informed about this project so that they hopefully learn new things about freeway construction work and plan their commutes around construction work restrictions.”
Marcy honed her public communications skills not only through her experience at MAG and ADOT, but also as a television news professional – working the assignment desks at several television stations in the Phoenix and Tucson markets. When asked what advice she would give to a person considering a career as a public information officer, she cites the importance of having strong mentors, building a professional network, and taking advantage of opportunities to gain hands-on experience.
“You can take many courses or do lots of classroom work but the real preparedness for doing this job comes with knowing what it consists of in the real world,” Marcy noted. “By speaking with or shadowing someone who is doing this job in the real world, you'll have a better understanding of the job.”
She encourages aspiring communications professionals to look for internships at agencies or companies with public information offices. She also recommends joining professional organizations and building relationships with those already working as PIOs.
What Marcy does not mention, but demonstrates every day, is her passion for the project and her pride in being part of the ADOT communications team.
“Transportation affects everyone and to be part of something that improves or helps the quality of people's lives makes this career rewarding,” Marcy added.
Fun Fact: Mapping with 30 Million Data Points
Pre-construction work is moving forward for the I-10 Gila River Indian Community segment, the project’s most northern segment. Crews are using LIDAR, or Light Detection and Ranging, to scan the corridor area capturing 30 million data points per minute that help form a high-resolution 3D model of the project area. These models help the project team with the design process and measuring and allow for construction monitoring as work progresses.
Save the Date: I-10 Wild Horse Pass Corridor Pre-Construction Virtual Public Meeting
Wednesday, August 5, 2026
5:30 to 7 p.m.
Link to attend virtual meeting: https://bit.ly/4sgFw6p
Join us for an interactive virtual meeting to learn more about the I-10 Gila River Indian Community project. The project team will share details about the planned improvements to I-10 between Loop 202 and the Gila River Bridges and provide additional information about the construction timeline and impacts to those who travel through the I-10 Wild Horse Pass Corridor.
Dig & Build: Inspiring the next generation of freeway engineers
On April 24, members of the I-10 Wild Horse Pass Corridor project team rolled into the Casa Blanca Community School parking lot for a morning of hands‑on learning and heavy‑equipment excitement. Students from the Gila River Indian Community got an up‑close look at some of the construction equipment and vehicles being used to improve the Corridor.
Fifth graders stepped into the world of highway construction and participated in activities focused on construction worker safety and highway design. They also had the opportunity to talk with members of the project team and learn what it is like to be construction workers, highway engineers, and heavy equipment operators.
Thank you to the Casa Blanca Community School and the Gila River Indian Community Tribal Education Department for inviting us to visit the school, meet the students, and share our big “tools of the trade” and experiences on the job site.
Keep up with the Corridor: Sign up for traffic alerts.
To receive updates and information on the Wild Horse Pass Corridor call the project hotline at: 602.522.7777 or use the online contact form.
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, Need to know where a milepost is? Click on the "Mile Markers" icon on the map at www.az511.com. Follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.