State Route 77: Junction Interstate 10 - Miracle Mile to Calle Concordia

State Route 77: Junction Interstate 10 - Miracle Mile to Calle Concordia



The Arizona Department of Transportation is working to improve the area of State Route 77: Junction I-10 to Calle Concordia. The project is a combination of three projects. The project will span between the Junction of Interstate 10 and Miracle Mile to River Road on SR 77 (Oracle Road), and from River Road to Calle Concordia Road on SR 77 (Oracle Road) in the Town of Oro Valley. Construction will begin in early 2021 and will last approximately 2 years. Granite Construction is the Prime contractor. The project will include;

  • Pavement rehabilitation from I-10 and Miracle Mile to Calle Concordia.
  • Lighting improvements, including new LED street lights between River and Ina Roads.
  • Roadway drainage improvement.
  • Utilities relocation.
  • Signal and intersection improvement between River and Ina Roads.
  • Reconstructing driveways, sidewalks and sidewalk ramps between I-10/Miracle Mile and River Road to meet ADA compliance
  • Constructing new ADA approved ramps, sidewalks, driveways between River and Magee Roads.
  • Adding new dual left turn lanes to the intersection of Magee and Oracle Roads.
  • Installing a storm drain system from River to Orange Grove Roads.
  • Reconstructing and repaving the roadway from River Road to Calle Concordia.

Project Fact Sheet

Pre-recorded video: Oro Valley Chamber of Commerce Meeting, March 4, 2021


The project is expected to begin in early 2021 and last approx. 2 years

Project information and schedule will be updated as available.

Businesses along Miracle Mile and Oracle Roads may be contacted by email, phone, an in-person visit or mail to inform them of impacts.

Traffic Alerts


Drivers should expect possible delays at times throughout the project and should consider alternate routes.

Schedules are subject to change based on weather and other unforeseen factors. Subscribe to receive project updates and traffic alerts by email. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or submit a question or comment by email. For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.