Arizona DOT


VIDEO: Flagstaff Bridge Project Earns National Award Recognition

The Arizona Department of Transportation's Fourth Street Bridge replacement project in Flagstaff is receiving national recognition. The project is among a list of 12 in line for national awards from the American Association of State Highway and Transportation Officials (AASHTO)....


VIDEO: Crews Pour Concrete for I-17, Central Avenue Bridge Project

The project to build a new, expanded Interstate 17 bridge over Central Avenue in Phoenix is heading into its stretch run, now that crews have poured the concrete for the new northbound side of the bridge....


Crews Working to Replace Post Office Canyon Bridge

On State Route 73 in the Fort Apache Reservation, alongside the North Fork White River, ADOT is in the process of replacing an old bridge deck. By the standards of the region, the Post Office Canyon Bridge, built in 1968, isn't quite a senior citizen at 53 years....


Rockfall Mitigation Project Starts On State Route 80

Construction crews from the Arizona Department of Transportation have begun the $3.5 million rockfall mitigation project. The project will involve excavating rock from slopes along SR 80, which will create a wider "clear zone" on both sides of the highway to decrease the risk of debris landing on the roadway....


Construction Begins On State Route 89 in Chino Valley, Arizona

The Arizona Department of Transportation has started a project to improve traffic flow at the intersection of SR 89 and Road 1 North in Chino Valley. The project will add a right-turn lane on northbound SR 89 to eastbound Road 1 North, add left turn lanes on Road 1 North and install a new traffic signal and detection sensors....


Future Loop 303 Takes Shape

One of the Valley's next new freeway traffic interchanges is taking shape along Loop 303 in north Peoria. Crews have installed bridge girders at the future Jomax Parkway interchange as part of the Arizona Department of Transportation's project to widen Loop 303 north of Happy Valley Parkway....


Crews Pour Concrete Deck On Houghton Road/I-10 Structure

Drivers southeast of downtown Tucson will see a major step forward in an interchange reconstruction project as crews pour the concrete bridge deck on the new Houghton Road structure at Interstate 10. The concrete work on the bridge comes as the Arizona Department of Transportation reaches the halfway point of a $24.4 million project to rebuild the interchange....


Construction Commences for Permanent Fix On U.S. 89

In less than 48 hours after heavy rains and flood waters took down a 30-foot section of US 89 north of Flagstaff near Cameron in 2018, ADOT had the highway reopened to traffic. In order to reopen the highway in less than two days after the flood damage, more than 40 ADOT personnel responding from as far away as Page, Payson and Williams had to thoroughly assess the site, excavate the damaged areas, haul in and compact 500 cubic yards of material to restore the roadway's base, and put down 120 tons of asphalt pavement....


Crews Begin Second Phase of Gateway Freeway Project

A project to add 5 mi. of travel lanes to the Phoenix area's newest freeway is advancing in the southeast Valley with some of State Route 24's concrete pavement already in place. The Arizona Department of Transportation's $77 million Gateway Freeway project, which started just four months ago, will add an interim four-lane divided roadway between Ellsworth Road and Ironwood Drive when it is completed by fall 2022....


ADOT Releases Its Five-Year Construction Program: 2022-26

The Arizona Department of Transportation (ADOT) recently released its proposed five-year construction program that is now available for public comment. The 2022-2026 Tentative Five-Year Transportation Facilities Construction Program allocates funding for several projects to widen highways and improve safety, including:Adding lanes along I-17 between Anthem Way and Sunset Point, with construction on the $328 million project beginning in 2022;Replacing the Gila River bridges on I-10 between Phoenix and Casa Grande....