Central District Projects

Central District Projects

How Diamond Grinding Works - Infographic
pavement that has been diamond grinded

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.

 

Benefits of Diamond Grinding

Diamond grinding concrete pavement has several benefits compared to a rubberized

map - broadway curve project
I-10 Broadway Curve
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.
I-10 Wild Horse Pass Projects Map
I-10 Wild Horse Pass Corridor
I-10 Wild Horse Pass Logo
The 26-mile Wild Horse Pass Corridor, part of Interstate 10 from Loop 202 in south Phoenix to State Route 387 near Casa Grande, serves as a crucial commuter and freight link, connecting the Gila River Indian Community to essential services in Maricopa and Pinal Counties.
I-17 HV to SR 74 Project Map
Paving tire
The Arizona Department of Transportation is initiating a project to repair the pavement on Interstate 17 from Happy Valley Road to State Route 74. The purpose of the project is to extend the life of the pavement and to improve safety and the driving experience on the roadway.
I-17 Improvement Project
I-17 Improvement Project
The work includes widening 15 miles of roadway, replacing two bridges and widening 10 others, and constructing approximately eight miles of flex lanes.
map - I-17 to SR 74 Anthem Way pavement project
A project to improve the pavement on Interstate 17 from State Route 74/Carefree Highway to Anthem Way, to replace the pavement and to improve safety and the driving experience on the roadway.
SR 347 RSA Final Map
As the primary route from the city of Maricopa to the Phoenix area, State Route 347 (SR 347) has become a highly traveled corridor. In spring 2023, ADOT completed a safety study on SR 347 between I-10 and the northern city limits of Maricopa.
Graphic-of-proposed-3-level-TI

The Arizona Department of Transportation, in association with the Maricopa Association of Governments, and in coordination with the Federal Highway Administration and the city of Phoenix, has completed an environmental study and Design Concept Report (DCR) for a project to improve traffic flow and safety at Interstate 17 and Indian School Road in Phoenix.

map-loop-101-agua-fria-freeway-75th-ave-to-i-17-improvements
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.
101 Shea Pima
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.