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PODCAST: Catch up on ADOT projects and more in north-central Arizona

Our Northcentral District administrator explains big projects his staff is working on, including improving Interstate 17 pavement south of Flagstaff and replacing the I-17 bridge at J.W. Powell Boulevard. He also explains how ADOT personnel deal with the challenge of severe winter weather.
A picture of an ADOT snowplow

Let it snow, let it snow, let it snow! ADOT snowplow operators get acquainted with new trucks, plow systems

Summer is still in full swing, but ADOT is already gearing up for winter.
BWC Work Zone
13 September 2024

Westbound Interstate 10 to close between State Route 143 and I-17 (Sept. 13-16)

The Arizona Department of Transportation is advising motorists to plan ahead and expect delays as westbound I-10 will be closed between SR 143 and I-17 from 10 p.m. Friday, Sept. 13, to 4 a.m. Monday
Aerial view of 43rd Avenue interchange with Loop 303

Wanna help your dear ol’ DOT win a national award?

We're excited to share that an ADOT project that added Loop 303 interchanges at 43rd and 51st avenues is a national finalist for top honors in the 2024 America’s Transportation Awards. We also want Arizonans to know that one of those honors, the People’s Choice Award, is decided by the public.  
An old, weathered metal truss bridge with graffiti spans over greenery under a cloudy sky.

Walnut Canyon Bridge marks 100 years

Though it’s no longer open to cars, the Walnut Canyon Bridge near Flagstaff has been standing for 100 years.
911
  • NEW: Westbound Loop 101 will be closed between Interstate 17 and 51st Avenue from 8 p.m. Friday, Oct. 30, to noon Sunday, Nov. 1. 
    • The north- and southbound I-17 ramps to westbound Loop 101 also will be closed.
    • The westbound Loop 101 on-ramps at Seventh Street and Seventh Avenue also will be closed. 
    • DETOUR: I-17 drivers may use westbound Deer Valley Road or Union Hills Drive to access westbound Loop 101 at 51st or 59th avenues. Westbound Loop 101 drivers may use southbound 19th Avenue to westbound Union Hills Drive to reconnect with Loop 101 beyond the closure.
       
  • The eastbound Loop 101 ramp to north- and southbound I-17 will be closed from 9 p.m. Tuesday, Nov. 3, to 5 a.m. Wednesday, Nov. 4. 
    • Eastbound Loop 101 also will be narrowed to one lane between 51st and 23rd avenues.
    • DETOUR: Drivers may use north- or southbound 35th Avenue to Deer Valley Road or Union Hills Drive to connect with I-17.
       
  • The eastbound Loop 101 ramp to north- and southbound I-17 will be closed from 9 p.m. Thursday, Nov. 5, to 5 a.m. Friday, Nov. 6.
    • Eastbound Loop 101 also will be narrowed to two lanes between 51st and 35th avenues.
    • DETOUR: Drivers may use north- or southbound 35th Avenue to Deer Valley Road or Union Hills Drive to connect with I-17. 

Upcoming closures and restrictions

  • RESCHEDULED: Eastbound Loop 101 will be closed between 51st and 27th avenues from 10 p.m. Friday, Nov. 6, to 5 a.m. Monday, Nov. 9.
    • The eastbound Loop 101 on-ramps at 75th, 67th and 59th avenues also will be closed. 
    • DETOUR: Drivers may use eastbound Union Hills to connect with I-17, or to 19th Avenue to connect with eastbound Loop 101.
       

Ongoing lane restrictions

  • The eastbound Loop 101 frontage road is reduced to one lane between 37th and 35th avenues through early 2027.
     

Note: Schedules are subject to change.

Close alert
Map of I-10 Ina to Ruthrauff widening project
11 September 2024

New westbound I-10 lanes open Wednesday morning at Orange Grove Road

New westbound Interstate 10 lanes opened early Wednesday morning between Orange Grove and Ina roads in the northwest Tucson area as part of a larger project to improve safety and traffic flow.
Map of I-17 southbound restriction this weekend
11 September 2024

Weekend Alert: Southbound I-17 closed at Loop 303 (Sept. 13-16)

To help keep traffic moving through the work zone, Loop 303/Sonoran Desert Drive will be closed under I-17. Eastbound Loop 303 traffic can reach northbound I-17 by taking I-17 southbound to Happy
Map of I-10 Ina to Ruthrauff widening project
10 September 2024

Traffic shift to westbound I-10 lanes at Orange Grove postponed

A planned traffic shift to new westbound Interstate 10 lanes at Orange Grove Road has been postponed due to a mechanical issue with lane striping equipment, according to the Arizona Department of
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