I-17

With Arizona Department of Transportation projects improving Interstate 17 and Interstate 40 around Flagstaff approaching a winter hiatus, the area now has upgraded bridge decks, two new bridges and 20 total miles of rebuilt roadway. There are also many more miles of fresh pavement, with additional paving to come when warmer temperatures return.

The Arizona Department of Transportation’s original plan for improving the Interstate 17 bridges at Willard Springs Road south of Flagstaff called for replacing the decks in both directions over two summers, ending well into 2019. The project that’s underway, however, is replacing the bridges in their entirety by the end of November – at no additional cost.

As the Arizona Department of Transportation advances projects that will add capacity to Interstate 17 north of the Phoenix area, drivers can help improve safety and reduce delays today by avoiding speeding, aggressive driving, distraction from things like cellphones and other behaviors that lead to crashes.

An Arizona Department of Transportation project that’s rebuilding 5 miles of Interstate 40 near Williams has been ranked in the nation’s top 10 by Roads & Bridges, a construction industry publication.

It took a century to turn the old, sleepy Black Canyon stagecoach route into the super highway we know as Interstate 17.

Phoenix-area drivers are used to seeing freeway entrance-ramp meters with alternating green and red traffic lights during weekday rush hours. But some of the red lights in Interstate 17 ramp meters also play a role as part of the pilot wrong-way vehicle detection system being tested by the Arizona Department of Transportation.

This month's Driving Safety Home focuses on an innovative option to improve Interstate 17 north of Phoenix.

As we reported this week, results from the I-17 wrong-way detection and warning system have been promising.

Interstate 17 will close overnights at the I-17/I-40 interchange in Flagstaff for the next two weeks while crews set up support structures in order to replace the I-40 bridge decks.

ADOT is replacing pavement on northbound Interstate 17 in the high country.

The transition ramp from Interstate 17 northbound to Interstate 40 westbound is closed for construction until the end of the year.

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

Work requiring closures and detours will start next week on the $10 million upgrade to the I-40/I-17 interchange that serves as the gateway to Flagstaff, according to the Arizona Department of Transportation.

With multiple paving and improvement projects happening in the Flagstaff area this year, the Arizona Department of Transportation wants to keep the public informed on progress and traffic restrictions with open houses this spring and summer.

This week we tracked the progress of the Loop 202 South Mountain Freeway, spotted a surprise spring snowstorm and announced paving projects in northern Arizona.

ADOT will take your questions and comments on options for improving traffic flow on I-17 north of the Valley.

Arizona Department of Transportation projects starting in the coming weeks will improve pavement along 182 lane miles 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.

The Arizona Department of Transportation has scheduled an April 3 public meeting in Black Canyon City to provide an update about an ongoing study of potential improvements along Interstate 17 between Anthem and Cordes Junction.

The Interstate 40/Interstate 17 interchange that for many is the gateway to Flagstaff is getting a $10 million update.

Pavement improvement along Interstates 17 and 40 and a revamped I-17/I-40 interchange in Flagstaff highlight Arizona Department of Transportation projects planned for northern Arizona in 2018.