Arizona State Route 303

"Loop 303" and "Arizona Loop 303" redirect here. For other uses, see List of highways numbered 303.

State Loop 303 marker

State Loop 303
Bob Stump Memorial Parkway
Route information
Maintained by ADOT
Length: 35.25 mi[1] (56.73 km)
Existed: 1991 – present
History: Under construction until after 2023
Major junctions
Beltway around West Valley
CCW end: I-10 in Goodyear
  Northern Parkway in Waddell
US 60 in Surprise
CW end: I-17 in Phoenix
Highway system
  • State Routes in Arizona
← SR 289SR 347 →

Arizona State Route 303, also known as Loop 303 (spoken as three-oh-three) or Bob Stump Memorial Parkway formerly called Estrella Freeway, is a freeway that serves the northwestern portion of the Phoenix area. The freeway, originally a two-lane rural highway, was maintained by Maricopa County[2] in central Arizona serving the far western suburbs of the Phoenix metropolitan area until 2004 when the Arizona Department of Transportation again took the control of upgrading the interim road to a freeway. As of 2004 it was renamed "Bob Stump Memorial Parkway" to honor former Arizona congressman Bob Stump.[3]

Its route runs from Interstate 10 in Goodyear to Interstate 17 south of Carefree Highway. Most of the current roadway has been upgraded to freeway standards. There is a short non-freeway section from just north of Clearview Boulevard to El Mirage Road that will be updated by 2016.[4]

Old colored Arizona Loop 303 shield that is being phased out.

It is currently undergoing construction and has been repainted to a 2 lane road to allow work on the westbound lanes.

Route description

Loop 303 currently begins at a stack interchange with I-10 in Goodyear.[5] It heads north under McDowell and Thomas Roads, then over an interchange with Indian School Road. The road heads through a farmland terrain and passes the Wildlife World Zoo near Northern Avenue. It over passes the BNSF Railway near Olive Avenue.[6] At an interchange with Greenway Road, Route 303 enters a residential community and turns northeast, becoming a two lane highway past Clearview Boulevard. The route heads over a bridge above Grand Avenue (US 60) (access given by temporary connector road) along with another BNSF railroad line.[6] The route turns eastward and becomes a 4-lane limited-access highway (which will eventually be upgraded to a 6-lane freeway, currently is a 2-lane highway).[4] It then becomes a controlled-access highway at El Mirage Road. It turns north near the Happy Valley Parkway interchange and then east again south of Lake Pleasant, passing through planned arterial interchanges. The freeway comes to an end at a temporary at-grade interchange (eventually to be a stack interchange with I-17 near Skunk Creek. East of this interchange, Route 303 will become Sonoran Desert Drive.[7]

History

Loop 303 was originally a part of the 1985 Maricopa County Regional Transportation Plan that was funded by a sales tax approved by Maricopa County voters. The freeway, designed to service the Northwest Valley, was originally designated SR 517 in 1985; the Loop 303 designation was first assigned in 1987.[8] The freeway was scheduled to be completed sometime by 2005. However, funding shortfalls and increasing construction costs forced cutbacks in the plan, and in 1995 the freeway was dropped from the regional plans.

Maricopa County took charge of what was then called the Estrella Freeway project when it was dropped from the regional freeway plans, maintaining it as an interim 2-lane highway along the original corridor while keeping the state route designation. The county has made significant improvements to the roadway, extending it several miles north and east of US 60. While the highway is still largely a 2-lane rural road, the extension north of US 60 along with the southern terminus just north of Interstate 10 have been upgraded to a 4-lane divided parkway, and the segment between US 60 and Bell Road in Surprise has been partially upgraded to controlled-highway standards with overpasses and right-of-way for on-ramps.[9]

With the extension of the sales tax approved in 2004, the highway has once again been added to the Regional Transportation Plan. As Maricopa County has completed much of the required study and preparation work, construction on the freeway is already underway with a planned completion date of the I-10 to I-17 segment by 2015. In mid-2011 the segment between Happy Valley Parkway and I-17 was completed as a four-lane highway with an interchange at Lone Mountain Parkway completed but closed to the public. Motorists must pass through a signaled interchange until a freeway to freeway interchange is built between Loop 303 and I-17. According to a recent agreement between the state legislature and the state department of transportation, STAN (Statewide Transportation Acceleration Needs) funds were used to build a partial interchange at Bell Road in summer 2010, several years before previously intended.[10]

Future

Long-term plans call for the extension of Loop 303 south of the interchange with I-10 in Goodyear to the planned I-10 'Reliever Route' Freeway, SR 30, and continuing south through Goodyear to connect with the planned alignment of future Interstate 11. Loop 303 would run concurrent with I-11 for several miles, before splitting off southward towards its ultimate terminus at Interstate 8 west of Casa Grande. If completed, Loop 303 will serve as a Phoenix bypass route for the southwestern suburbs of Goodyear, Avondale, and Buckeye as well as an alternate Phoenix bypass route for I-10 traffic headed westbound to the Greater Los Angeles Area and northbound via I-17 to Flagstaff.

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. Some modifications to Route 303, such as a scaled-back design of its interchanges with I-10 and US Highway 60, were made to cope with the budget shortfall. Funding for the extension south of I-10 to the planned alignment of SR 30 was removed, effectively postponing the extension until after 2025.[11]

Exit list

The entire route is in Maricopa County.

Locationmi
[1][12][13]		kmExitDestinationsNotes[14]
 – Future I-11 (Hassayampa Freeway)Future southern terminus[15]
Goodyear97 SR 30 (I-10 Reliever)Future interchange; construction begins in 2023[16]
98Baseline RoadFuture interchange; construction begins in 2023[16]
99Southern AvenueFuture interchange; construction begins in 2023[16]
0.000.00100 CR 85Future interchange; construction begins in 2023[16]
1.101.77101Lower Buckeye RoadFuture interchange; construction begins in 2023[16]
2.103.38102Yuma RoadFuture interchange; construction begins in 2016[16]
3.205.15103Van Buren StreetFuture interchange; construction begins in 2015[16]
3.80–
3.97		6.12–
6.39		104 I-10 – Phoenix, Los AngelesStack interchange opened August 2014;
split into exits 104A (east) and 104B (west); exit 124 on I-10
5.198.35105Thomas Road / Cotton LaneSouthbound exit and northbound entrance
6.179.93106Indian School Road
Goodyear–Glendale line7.1911.57107Camelback Road
Glendale8.1913.18108Bethany Home RoadOpened June 2014
9.2014.81109Glendale AvenueOpened Spring 2014
10.1816.38110ANorthern AvenueNorthbound exit and southbound entrance
10.6817.19110BNorthern Parkway eastTrumpet interchange; west end of Northern Parkway
Glendale–Surprise line12.1819.60112Peoria Avenue
Surprise13.1821.21113Cactus Road
14.1822.82114Waddell Road
15.1824.43115Greenway Road
16.1826.04116Bell Road
19.2931.04119 To US 60 (Grand Avenue)Access via temporary connector road;
interchange under construction[17]
Sun City West23.6838.11123El Mirage RoadAt-grade intersection; interchange under construction
Peoria25.6841.33125Happy Valley Parkway / Vistancia Boulevard
26.8843.26126Jomax ParkwayPlanned interchange
27.9845.03127Lone Mountain Parkway
29.1846.96128Westwing ParkwayPlanned interchange
30.6849.37130Westland DrivePlanned Interchange
31.7851.14131Lake Pleasant Parkway
Phoenix34.5855.65133Pyramid Peak ParkwayPlanned interchange
36.7859.19135Stetson Valley ParkwayPlanned interchange
37.6860.6413643rd AvenuePlanned interchange
38.6862.25137A35th AvenuePlanned Interchange with frontage roads
39.2563.17137 I-17 / Sonoran Desert Drive – Flagstaff, PhoenixAt-grade intersection with frontage roads;
site of future stack interchange; exit 221 on I-17
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. 1 2 Roadway Inventory Management Section, Multimodal Planning Division (December 31, 2013). "2013 State Highway System Log" (PDF). Arizona Department of Transportation. Retrieved January 16, 2016.
  2. ↑ "MCDOT Rightroads Program".
  3. ↑ "Maricopa County Board of Supervisors minute book" (PDF).
  4. 1 2 "Loop 303 project page ADOT".
  5. ↑ "ADOT Opens At More Ramps at 303 and I-10 interchange".
  6. 1 2 Arizona Railroads (PDF) (Map). Cartography by Multimodal Planning Division. Arizona Department of Transportation. September 2011. Retrieved April 9, 2012.
  7. ↑ Google (April 9, 2012). "SR 303" (Map). Google Maps. Google. Retrieved April 9, 2012.
  8. ↑ Breyer, Joe. "Right-of-Way Resolutions - Route Number: 517". Arizona Highway Data. Works Consulting LLC. Retrieved March 2, 2016.
  9. ↑ "Loop 303 (North of I-10)". ADOT. Archived from the original on 8 February 2008. Retrieved 2008-02-02.
  10. ↑ "L303 Overview". ADOT. Archived from the original on 8 February 2008. Retrieved 2008-02-02.
  11. ↑ Holstege, Sean (2009-10-29). "Valley freeway projects shelved". The Arizona Republic. Retrieved 2009-11-04.
  12. ↑ Google (January 16, 2016). "Bob Stump Memorial Parkway" (Map). Google Maps. Google. Retrieved January 16, 2016.
  13. ↑ Google (January 16, 2016). "Cotton Lane" (Map). Google Maps. Google.
  14. ↑ http://www.bqaz.org/pdf/has/rep/Chapter%206%20-%20Alternatives%20Analysis%20-%20Hassayampa%20Framework%20Study.pdf
  15. ↑ http://www.azdot.gov/projects/phoenix-metro-area/loop-303-from-sr-30-to-hassayampa-freeway
  16. 1 2 3 4 5 6 7 http://www.azdot.gov/projects/phoenix-metro-area/loop-303-from-i-10-to-sr-30/update
  17. ↑ http://www.azdot.gov/projects/phoenix-metro-area/loop-303-north-of-i-10/map

External links

Route map: Bing / Google

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