Marana Traffic Study
Marana Traffic Study
Overview
The Arizona Department of Transportation is conducting a traffic circulation study along Interstate 10 within Pima County. The objective of this study will determine the best and most cost-effective options for reducing traffic delays and congestion on Interstate 10 at Marana Road and Cortaro Road including all intersections in between.
Study Process
- Review findings from previous studies
- Collecting data on current conditions
- Conducting data analysis on existing traffic conditions
- Developing potential solutions
- Conducting public outreach and obtaining input
- Developing an environmental overview and other documentation
- Defining a preferred alternative considering the projected inflation costs and expenditure
- Drafting and finalizing a final report
Study Area Map
Study Schedule
- October 2025 - Began Current Conditions Review and Environmental Analysis
- February 2026 - Begin Data Analysis and Potential Solutions Development
- March 2026 - Begin Public Engagement & Develop Community-Wide Survey
- May 2026 - Begin Preferred Alternative & Planning Level Scoping
- August 2026 - Begin Draft Report
- November 2026 - Begin Final Report & 15% plans for construction
The study schedule is subject to change.
Public Comments
Your input is important. ADOT welcomes your questions and comments on this study.
Stay Informed
ADOT welcomes your questions and comments. Please contact us in any of these ways:
- By email: Subscribe to receive study updates.
- By phone: Call the ADOT Project Information Line at 855.712.8530.
- Online: Submit a question or comment via email to Dulce Maria Rojo at [email protected]
- By Mail: Kimley-Horn,3300 East Sunrise Drive, Suite 130, Tucson, AZ 85718
For real-time highway conditions statewide, follow ADOT on Twitter (@ArizonaDOT), visit az511.gov or call 511, except while driving.