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The Arizona Department of Transportation completed a feasibility study in 2022 to assess the US 60 and Loop 303 (Estrella Freeway) interchange and other intersections along US 60 from 163rd Avenue in Surprise to R H Johnson Boulevard in Sun City West.  

The I-10 Broadway Curve Improvement Project runs along 11 miles of Interstate 10 between the Loop 202 (Santan/South Mountain Freeway) and I-17 near Phoenix Sky Harbor International Airport.

The Arizona Department of Transportation has started a construction project to improve US 60X (also referred to as Old US 60, Apache Trail or Main Street) between Sossaman and Meridian roads.

State Route 24 (SR 24), also referred to as the Gateway Freeway, is currently a 5-mile interim roadway between Loop 202 and Ironwood Drive. This section features two lanes in each direction with a center median, bridges over Ellsworth and Mountain roads and at-grade intersections at the following locations:

ADOT has initiated a design project to construct a new segment of Loop 303 between Maricopa County Road 85 (MC 85) and Van Buren Street in Goodyear.

The Arizona Department of Transportation, in coordination with the Maricopa Association of Governments and the cities of Phoenix and Peoria, is planning for improvements to Loop 303 between Lake Pleasant Parkway and Interstate 17 that will include an additional general purpose lane in each direction, bridges to accommodate a future interchange at 67th Avenue, and a new Loop 303/I-17 system-to-system interchange. The project seeks to address growing traffic demands on Loop 303.

The Loop 202 (South Mountain Freeway) adds 22 miles of freeway to the existing Phoenix metropolitan transportation system. The freeway connects the east and west valley while providing much needed relief to existing freeway corridors and local streets.

ADOT has initiated a project to widen and make other improvements to the Loop 202 between Loop 101 and Val Vista Drive in the city of Chandler and town of Gilbert. 

The Arizona Department of Transportation, in partnership with the city of Scottsdale, is widening Loop 101 (Pima Freeway) between Princess Dr/Pima Rd and Shea Blvd by one general-purpose lane in each direction and modifying existing interchanges to improve traffic flow on Loop 101 and the cross streets.

The Arizona Department of Transportation, in cooperation with the cities of Glendale, Phoenix and Peoria, the Federal Highway Administration and the Maricopa Association of Governments, has initiated a project to widen and make other improvements to the Loop 101 (Agua Fria Freeway) between 75th Avenue in Glendale and Interstate 17 in Phoenix.

What is Diamond Grinding?

Diamond Grinding is a technique for preserving and rehabilitating the concrete pavement surface of a highway, which also helps reduce tire noise.