Arizona State Route 101

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"Loop 101" and "Arizona Loop 101" redirect here. For other uses, see List of highways numbered 101 (disambiguation).

State Loop 101 marker

State Loop 101
Route information
Maintained by ADOT
Length: 60.98 mi[1] (98.14 km)
Existed: 1988; completed 2001 – present
Major junctions
Beltway around Phoenix and Scottsdale
CCW end: I-10 in Tolleson

US 60 in Peoria
I-17 in Phoenix
SR 51 in Phoenix
Loop 202 in Tempe

US 60 in Tempe
CW end: Loop 202 in Chandler
Counties: Maricopa
Highway system
  • State Routes in Arizona
SR 99 SR 143

Arizona State Route 101, or Loop 101, (spoken as one-oh-one) is a semi-beltway encompassing much of the Phoenix Metropolitan Area in the United States. It connects several suburbs of Phoenix, including Tolleson, Glendale, Peoria, Scottsdale, Mesa, Tempe, and Chandler. Construction began in the late-1980s and was completed in 2001. Additional general purpose lanes and a high occupancy vehicle lane (HOV) are being constructed along the eastern stretch of Loop 101 from Scottsdale to Chandler, starting at Princess Drive to Loop 202 (the Santan Freeway).

Loop 101 has interchanges with almost all area freeways, including: Loop 202, US 60, SR 51, Interstate 17, and Interstate 10 along its 61-mile (98 km) route.

Route description[edit]

Old colored Arizona Loop 101 shield that is being phased out.

Loop 101 begins as the Agua Fria Freeway west of Phoenix in Tolleson at a three-level interchange with Interstate 10. From that point, it heads north entering Phoenix then Glendale, passing the University of Phoenix Stadium and Gila River Arena. Continuing northward through Peoria, it passes the Peoria Sports Complex before entering northwestern Glendale and heading east just past the Arrowhead Towne Center mall. Loop 101 now heads eastward on the Beardsley Road alignment. The freeway enters northern Phoenix, and at milepost 23, Loop 101 intersects Interstate 17 near the Deer Valley Airport, 15 miles (24 km) north of Downtown Phoenix.

Continuing east as the Pima Freeway, it passes through the Union Hills area and then has an interchange with the northern terminus of SR 51 (Piestewa Freeway) at milepost 30. East of its junction with Route 51, Loop 101 curves south through Scottsdale in the northeast valley on the Pima Road alignment. The freeway curves east and continues onto the Salt River Pima-Maricopa Indian Community just south of Via Linda providing access to Downtown Scottsdale, a large open-air power center called Scottsdale Pavilions, Scottsdale Community College, the Salt River Pima-Maricopa Indian Community (and its two casinos), and Scottsdale Fashion Square. Continuing south, Loop 101 encounters an interchange with the Red Mountain Freeway portion of Loop 202 in Tempe at milepost 51, near the campus of Arizona State University. This interchange is partially built over the Salt River.

After this interchange, Loop 101 is now the Price Freeway, and interchanges with US 60 at milepost 55 before entering Chandler. Loop 101 provides access to Chandler Fashion Center just prior to concluding at milepost 61 at an interchange with the Santan Freeway portion of Loop 202.[2]


An exit in Northeast Phoenix at 64th Street started construction in January 2008, and completed construction in the end of Q3 2008.[3] It was opened to traffic in May 2015. Construction of Freeway Management System (FMS) for this segment of Loop 101. Using sensors, freeway cameras and the latest technology, the Valley’s Intelligent Transportation Systems keep traffic flowing by providing incident management personnel with information about real-time traffic conditions. Construction was completed on the segment between I-17 and State Route 51 in September 2009.

On August 26, 2010, comedian Robert Schimmel was involved in an accident on the road in Scottsdale in which his daughter was driving; their car flipped onto the side of the road. Schimmel died from his injuries on September 3, 2010.[4]

Photo enforcement[edit]

In 2006, Scottsdale installed speed enforcement cameras along its stretch of Loop 101 to combat the high fatality rate along its section of freeway. The photo enforcement was based on inductive sheeting on the freeway bed located at six fixed positions along the freeway - three in each direction. The photo enforcement was in a trial phase, with the trial ending in December 2006. In January 2007, the program was authorized by Arizona Governor Janet Napolitano to resume in February 2007.[5]

There had been much criticism of the program after its inception. For instance, in May 2006, a vehicle was allegedly clocked traveling at 147 MPH (237 km/h) on Loop 101. Scottsdale police arrested Lawrence Pargo soon afterwards. According to the manufacturer Hyundai,[6] the vehicle the suspect was driving had a centrifugal governor, and was only capable of traveling 137 MPH (220 km/h).[7]

The system was calibrated to ticket anyone traveling 76 MPH (122 km/h) or greater, as 65 MPH (105 km/h) was the predetermined speed limit. The system was also designed for night time use and utilized equipment with a high intensity flash and full motion video capture to take pictures of fast-moving objects.[8]

Money from a typical $162 ticket went to the following:

  • $78 (about) - Went to state surcharges for Criminal Justice Enhancement Fund and other designated state programs.
  • $42 - Went to Redflex Traffic Systems, the city's photo enforcement contractor.
  • $32 - Went to covering general operating costs for the program, including city rental payments to Redflex for the equipment and other police, prosecutor and court costs.
  • $10 - Went for a fund used only for court operations enhancements.[1]

Photo enforcement along Loop 101 ended in 2010.[9]


Loop 101 has various names along its route:

  • Agua Fria Freeway in the west valley from I-10 to I-17.
  • Pima Freeway in the east valley from I-17 to Loop 202's Red Mountain Freeway.
  • Price Freeway from Loop 202's Red Mountain Freeway to Loop 202's Santan Freeway.

Exit list[edit]

The entire route is in Maricopa County.

Location mi km Exit[1] Destinations Notes
Tolleson Begin Agua Fria Freeway
0.00 0.00 1 I-10 (Papago Freeway) – Phoenix, Los Angeles Signed as exits 1A (west) and 1B (east)
Phoenix 2 McDowell Road Southbound exit and northbound entrance
3 Thomas Road
4 Indian School Road
PhoenixGlendale line 5 Camelback Road
Glendale 6 Bethany Home Road
7A Maryland Avenue HOV only
7B Glendale Avenue
GlendalePeoria line 8 Northern Avenue
Peoria 9 Olive Avenue
10 Peoria Avenue
11 US 60 (Grand Avenue) Northbound exit and southbound entrance
To US 60 (Grand Avenue) / 91st Avenue Southbound exit and northbound entrance
12 Thunderbird Road
14 Bell Road
Glendale 15 Union Hills Drive Southbound exit is via exit 16
16 Beardsley Road Southbound exit and eastbound entrance
17 75th Avenue
18 67th Avenue
19 59th Avenue
GlendalePhoenix line 20 51st Avenue
Phoenix 22 35th Avenue Eastbound exit and westbound entrance
23A 27th Avenue
I-17 (Black Canyon Freeway) – Flagstaff, Phoenix Signed as exits 23B (north) and 23C (south)
End Agua Fria Freeway, begin Pima Freeway
24 19th Avenue Westbound exit and eastbound entrance
25 7th Avenue
26 7th Street
28 Cave Creek Road
29 SR 51 south – Phoenix Northern terminus of SR 51
SR 51 south HOV access only; westbound exit and eastbound entrance
31 Tatum Boulevard
32 56th Street
33 64th Street
PhoenixScottsdale line 34 Scottsdale Road
Scottsdale 35 Hayden Road
36 Pima Road / Princess Drive
38 Frank Lloyd Wright Boulevard / Bell Road
39 Raintree Drive / Thunderbird Road
40 Cactus Road
41 Shea Boulevard
Salt River
Indian Community
42 90th Street / Pima Road
43 Via de Ventura
44 Indian Bend Road
45 McDonald Drive
46 Chaparral Road
47 Indian School Road
48 Thomas Road
49 McDowell Road
50 McKellips Road
Mesa 51 Loop 202 (Red Mountain Freeway) – Phoenix, Tempe
End Pima Freeway, begin Price Freeway
Tempe 52 Rio Salado Parkway / 8th Street / University Drive
53 Broadway Road
54 Southern Avenue / Baseline Road Southbound exit and northbound entrance
55A-B US 60 (Superstition Freeway) – Globe, Phoenix Signed as exits 55A (east) and 55B (west)
55C Baseline Road / Southern Avenue Northbound exit and southbound entrance
56 Guadalupe Road
57 Elliot Road
Chandler 58 Warner Road
59 Ray Road
60 Chandler Boulevard Southbound exit and northbound entrance
61A Price Road Southbound exit and northbound entrance
61D Loop 202 east HOV access only
60.98 98.14 61
Loop 202 (San Tan Freeway) – Mesa Signed as exits 61B (west) and 61C (east)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b Arizona Department of Transportation. "2008 ADOT Highway Log" (PDF). Retrieved 2008-04-09. 
  2. ^ Google (June 8, 2009). "Arizona State Route 101" (Map). Google Maps. Google. Retrieved June 8, 2009. 
  3. ^ "Loop 101 (Pima Freeway)". Retrieved 2012-08-17. 
  4. ^ Quizon, Derek (September 4, 2010). "Scottsdale comedian Robert Schimmel dies after car accident". The Arizona Republic. Retrieved November 12, 2011. 
  5. ^ Ferraresi, Michael (2007-02-09). "Signs warn motorists of speed cameras' return". The Arizona Republic. Retrieved 2007-02-10. 
  6. ^ "Hyundai Sonata LX". Car and Driver. 
  7. ^ "Accused 147 mph speeder gets day in court". East Valley Tribune. 
  8. ^ "Photo Enforcement 101". City of Scottsdale. 
  9. ^ "Arizona Department of Public Safety announces the expiration of the Statewide Photo Enforcement Contract". 2010-07-14. Retrieved 2015-10-01. 

External links[edit]

Route map: Bing / Google