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Arizona DOT


ADOT to Work With Route 66 Town as Bridge Project Nears

Connection with Interstate 40 is the lifeblood of a Historic Route 66 town like Seligman, where many tourists drop in for a taste of those neon-lit days gone by. That's why the Arizona Department of Transportation is partnering with Seligman to let travelers know the town will be accessible while ADOT improves bridges leading from I-40 to the west side of the community, which is about 60 mi....


ADOT's $24.4M I-17 Project Improves Travel to Flagstaff

An Arizona Department of Transportation project started April 30 to deliver a smoother driving surface along 28 mi. of northbound Interstate 17 leading to Flagstaff, a stretch battered by repeated cycles of freeze and thaw during the winter....


ADOT Tests Pavement Treatment on San Joaquin Road

A 4.3-mi. section of San Joaquin Road between Old Ajo Highway and Milky Way Drive has been selected as a testing ground for several pavement treatments. Twelve different treatments will be tested for various factors to ascertain life-cycle return on investment leading to more cost-effective selection of pavement treatments for use in Pima County....


First Loop 202 South Mountain Freeway Bridge Opens to Traffic in Lavine, Ariz.

Drivers in Laveen, Ariz., are now using the first bridge completed for the South Mountain Freeway, marking a milestone for the Arizona Department of Transportation's Loop 202 South Mountain Freeway project....


ADOT to Improve Pavement Along I-40, I-17 This Summer

Arizona Department of Transportation has started projects that will improve pavement along 182 lane mi. of Interstate 40 and Interstate 17 in the Flagstaff area, addressing deterioration caused by snow and snowplowing, the large number of freeze-thaw cycles the area sees each year and heavy use by commercial vehicles....


ADOT's $128M I-10 Project in Marana Improves Traffic Flow

Arizona Department of Transportation (ADOT) is improving traffic flow on Interstate-10 in Marana, Ariz., by constructing a new interchange bridge over I-10 and the Union Pacific Railroad Tracks at Ina Road....


Work Under Way on U.S. 163

The Arizona Department of Transportation advises drivers to plan for extra time when traveling on U.S. 163 north of Kayenta due to a construction project that began March 14. The 1-mi. work zone, which will be located between mileposts 400 and 401, is approximately 5 mi....


ADOT Engineers Improve Highway Project Preparation

With approximately 150 state highway construction projects scheduled to start in any given year, Arizona Department of Transportation engineers constantly look for ways to save time and money in designing and building these much-needed improvements....


ADOT Opens Comment on Five-Year Construction Plan

Major corridors for passenger and freight traffic would be expanded and improved during the next five years as part of a proposed annual update to the Arizona Department of Transportation's lineup of projects that is available for public comment as of March 16....


South Mountain Freeway Receives Its First Splash of Color

The Loop 202 South Mountain Freeway has its first splash of color, with a little inspiration from Frank Lloyd Wright. Crews recently gave the future 40th Street traffic interchange in Ahwatukee desert earth-tone base paint, which will be used throughout the 22-mi....





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