Tag: Arizona Department of Transportation

ADOT Study of I-10 improvements takes major step forward

The Arizona Department of Transportation (ADOT) and partner agencies are taking an essential step toward widening and other improvements along 23 miles of Interstate 10 between Phoenix and Casa Grande.

Final bridge girders set on Salt River segment of South Mountain Freeway

In late February, nearly two years after the first girder was set on Loop 202 South Mountain Freeway, the last support beam has been installed for the Dobbins Road interchange, marking the final girder placed on the Salt River segment of the freeway in the Laveen area.

DOT Drones

35 state transportation departments are deploying drones to save lives, time, and money. A survey by the American Association of State Highway and Transportation Officials...

ADOT gains drones through federal innovation program

The Arizona Department of Transportation (ADOT) is adding drones to help its engineering staff safely and more efficiently inspect hard-to-reach areas on some bridges and perform surveying work along state highways.

Major interchange revamp relieves congestion

To alleviate traffic congestion at one of the busiest intersections in Maricopa County, the Arizona Department of Transportation (ADOT) decided to build a new...

Agreement gives ADOT environmental review authority for certain projects

Recognizing that states can comply with federal environmental requirements on their own while streamlining processes, a new agreement assigns the Arizona Department of Transportation (ADOT) environmental review authority and responsibility for many projects found to not have significant environmental impacts.

Largest girders in Arizona placed on South Mountain Freeway’s Salt River bridges

The Loop 202 South Mountain Freeway, already the largest single highway project in Arizona history, now has the longest bridge girders of their type in the state.

ADOT proposes diverging diamond interchange to replace roundabouts

The Arizona Department of Transportation (ADOT) is proposing a diverging diamond interchange to replace roundabouts at the Interstate 17/Happy Valley Road interchange as a way to provide efficient and safe traffic flow for a growing area of north Phoenix.

ADOT’s new tool for bridge repairs

The Arizona Department of Transportation (ADOT) has turned to a space-age technique to repair and strengthen girders on two Interstate 17 bridges in Phoenix.
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