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State Route 30 (SR 30), also known as the Tres Rios Freeway, is a planned state highway in the southwest parts of Phoenix, Arizona, and nearby suburbs. It is planned as a reliever for Interstate 10, and will run through the communities of Avondale, Buckeye, and Goodyear 5 miles (8.0 km) to the south.[2][3][4][5]

State Route 30 marker

State Route 30
Tres Rios Freeway
Proposed SR 30 corridor highlighted in red
Route information
Maintained by ADOT
Major junctions
West end Future I-11 / SR 85 in Buckeye
  Loop 303 in Goodyear
Loop 202 in Phoenix
East end I-17 in Phoenix
Highway system
  • Arizona State Highway System
SR 24I-40
SR 789Arizona 801.svgSR 802

Route descriptionEdit

SR 30 is planned as a controlled-access freeway paralleling Interstate 10 to the south by 5 miles (8.0 km), running through the communities of Avondale, Buckeye, and Goodyear, paralleling the Gila and Salt Rivers. SR 30 will be broken into three sections. The western section will run from SR 85 to Loop 303, the center section from Loop 303 to Loop 202, and the eastern section from Loop 202 to Interstate 17.[6]


In November 2004, voters in Maricopa County approved an extension to an existing sales tax funding transportation improvements. A significant portion of those funds will go toward improvements of I-10, which experiences significant volumes of traffic in the southwest part of the Phoenix metro area. However, rapid growth in the neighboring communities of Avondale, Buckeye, and Goodyear is expected to worsen the congestion on the interstate in spite of improvements, necessitating the construction of a reliever route. The route, then known as State Route 801 (SR 801) was planned to run parallel to I-10 through the cities and provide relief.

Although no construction has begun for the route, planning documents have identified a study area running roughly 5 miles (8.0 km) south of and parallel to I-10 through largely undeveloped land. In addition to reducing commuter traffic on I-10, SR 30 will run near the industrial and warehouse district in southwest Phoenix, allowing the significant truck traffic that services these districts to avoid commuter traffic, and as such is envisioned as an alternate truck route eventually connecting to Loop 303, SR 85, and the planned alignment of future Interstate 11.

In response to a projected budget shortfall of $6.6 billion brought on by the recession, the Maricopa Association of Governments voted to suspend funding to numerous projects during a meeting on October 28, 2009. While not removing the freeway from the long-term regional transportation plan, the removal of the funding will effectively postpone the construction of the route until at least 2026. The plan had originally indicated a construction timeline between 2021 and 2025.[7]

In October 2016, it was announced that ADOT was exploring the possibility of building SR 30 as a toll road to accelerate its construction.[8] The toll feasibility study took six months.

On October 26, 2017, local mayors officially named SR 30 the Tres Rios Freeway after the nearby Gila, Agua Fria, and Salt rivers, which the proposed freeway will either parallel or be in the near proximity of.[9][10]

Exit listEdit

Exit numbers have not yet been assigned. This exit list is based on preliminary studies, and may not be the final design plan.[11][12][13] The entire route is in Maricopa County.

Buckeye   Future I-11 / SR 85 (Hassayampa Freeway)Planned western terminus
Goodyear  CR 85Planned interchange
Cotton LanePlanned westbound exit and eastbound entrance
Sarival AvenuePlanned westbound exit and eastbound entrance
  Loop 303 (Bob Stump Memorial Parkway)Planned interchange
Bullard AvenuePlanned interchange
Dysart RoadPlanned interchange
Avondale BoulevardPlanned interchange
Estrella107th AvenuePlanned interchange
91st AvenuePlanned interchange
83rd AvenuePlanned interchange
67th AvenuePlanned eastbound exit and westbound entrance
Laveen  Loop 202 (South Mountain Freeway)Planned interchange
Phoenix  I-17 (Maricopa Freeway)Planned eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Unopened

See alsoEdit


  1. ^ "2006 ADOT Highway Log" (PDF). Arizona Department of Transportation. Archived from the original (PDF) on 2008-06-25. Retrieved 2008-04-08.
  2. ^ "Overview". Retrieved 2018-02-26.
  3. ^
  4. ^ "West Valley and Mesa freeway projects competing for funding". azcentral. Retrieved 2018-02-26.
  5. ^
  6. ^
  7. ^ Holstege, Sean (2009-10-29). "Valley freeway projects shelved". The Arizona Republic. Retrieved 2009-11-04.
  8. ^ "ADOT taking closer look at toll road options in Phoenix area". KPNX-TV. October 4, 2016. Retrieved October 5, 2016.
  9. ^ News, Avondale City (2017-10-25). "Mayors @MAGregion meeting celebrated the naming of the SR 30 as the Tres Rios Freeway (3 rivers is located near the freeway corridor)". @AZAvondaleNews. Retrieved 2018-02-26.
  10. ^ staff, (2017-10-26). "New proposed Valley freeway, State Route 30, named 'Tres Rios'". KNXV. Retrieved 2018-02-26.
  11. ^ a b c
  12. ^ a b c Arizona Department of Transportation (January 21, 2015). "SR 30: Potential Alignment Alternatives" (PDF). Retrieved January 16, 2016.
  13. ^ a b c Arizona Department of Transportation (January 21, 2015). "State Route 30 Public Information Meeting" (PDF). Retrieved January 16, 2016.

External linksEdit