Arizona State Route 101

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

State Route 101
Loop 101 highlighted in red
Route information
Maintained by ADOT
Length	60.99 mi (98.15 km)
Existed	1988–present
History	Fully completed in 2002
Major junctions
Counterclockwise end	I-10 in Tolleson
Major intersections	US 60 in Peoria I-17 in Phoenix SR 51 in Phoenix Loop 202 in Mesa US 60 in Tempe
Clockwise end	Loop 202 in Chandler
Location
Country	United States
State	Arizona
Counties	Maricopa
Highway system
Arizona State Highway System Interstate US State Scenic Proposed Former
← SR 99 → SR 143

Interchange of 101 (Pima Freeway) with Loop 202 (Red Mountain Freeway) in Mesa, with 101 through Scottsdale in the distance

State Route 101 (SR 101) or Loop 101 is a semi-beltway looping around the Phoenix Metropolitan Area in central Arizona, United States. It connects several suburbs of Phoenix, including Tolleson, Glendale, Peoria, Scottsdale, Mesa, Tempe, and Chandler. Construction began in 1986 and was completed in 2002.

Loop 101 has three officially designated sections along its route:

• Agua Fria Freeway in the west valley from Interstate 10 (I-10) to I-17
• Pima Freeway in the east valley from I-17 to Loop 202 (Red Mountain Freeway)
• Price Freeway in the east valley from Loop 202 (Red Mountain Freeway) to Loop 202 (Santan Freeway)