Maricopa County continues to plan for the future with Proposition 479, a voter-approved initiative funding long-term transportation improvements. If you’ve been curious about what projects are coming to Southeast Mesa, the Prop 479 website is now live, showing what’s planned or underway at
This initiative represents a major investment in arterial roads, freeways, and intersections across the region, designed to improve safety, reduce congestion, and support economic growth for decades to come.
Key Projects in Southeast Mesa (District 6)
Prop 479 has outlined a multi-phase plan for arterial and freeway improvements in Southeast Mesa, spanning from 2026 through 2043. Here’s a breakdown:
Phase 1: 2026–2030
- Warner Road: Sossamon to Power
- U.S. 60: Ellsworth to Meridian
- S.R. 24: to Ironwood
Phase 2: 2031–2035
- Hawes Road: Baseline to Elliot
- Meridian Road: Germann to S.R. 24
Phase 3: 2035–2040
- Sossamon Road: Guadalupe to Warner
- Crismon Road: Williams Field to Germann
Phase 4: 2041–2043
- Power Road and Pecos Road Intersection
- L-202 Improvements
- Meridian Road: Baseline to Elliot
Note: These projects are funded by voter-approved Prop 479. Projects funded by the Capital Improvement Program, MAG, or USDOT are not included here.
Source: MAG Prop 479
Why Prop 479 Matters for Southeast Mesa
Southeast Mesa has seen rapid population and traffic growth over the past decade. These upgrades will improve travel reliability for commuters, enhance roadway safety, and support local economic activity. By planning decades ahead, Prop 479 ensures arterial and freeway infrastructure keeps pace with growth while reducing congestion in key corridors like Power Road, Warner Road, and the U.S. 60.
MAG officials explain that this phased approach allows for long-term project planning while maintaining existing infrastructure and meeting the county’s projected transportation demand.
Stay Informed and Plan Ahead
For residents and businesses in Southeast Mesa, knowing the schedule is key. Prop 479 provides visibility into when projects will start and which corridors will see improvements first. By reviewing the schedule on azmag.gov/Prop479, Mesa residents can track upcoming work and anticipate impacts on travel and local development.
Bottom Line
Proposition 479 represents a critical investment in Southeast Mesa’s transportation future. From arterial upgrades to freeway improvements, the plan addresses congestion, safety, and connectivity while preparing for decades of growth. Stay informed by following updates at azmag.gov/Prop479 to see when key corridors in District 6 will be upgraded.
