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BWC Work Zone
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
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.  
Though it’s no longer open to cars, the Walnut Canyon Bridge near Flagstaff has been standing for 100 years.
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  • The eastbound Loop 101 ramps to north- and southbound Interstate 17 will be closed from 9 p.m. Monday, Oct. 19, to 5 a.m. Tuesday, Oct. 20, and again from 9 p.m. Monday, Oct. 26, to 5 a.m. Tuesday, Oct. 27.
    • Eastbound Loop 101 also will be narrowed to three lanes between 35th Avenue and I-17.
       
  • The right lane on eastbound Loop 101 will be closed between 35th Avenue and the 27th Avenue off-ramp/ramp to I-17 from 5 a.m. Tuesday, Oct. 20, to 5 a.m. Tuesday, Oct. 27.
     
  • Eastbound Loop 101 will be closed between 75th to 51st avenues from 10 p.m Friday, Oct. 23, to 5 a.m. Monday, Oct. 26.
    • The eastbound Loop 101 on-ramps at Bell Road and Union Hills Drive also will be closed.
    • DETOUR: Drivers may use eastbound Union Hills Drive to connect with eastbound Loop 101 at 51st or 35th avenues.

Ongoing lane restrictions

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

 

Close alert
Map of I-10 Ina to Ruthrauff widening project
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
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
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
Map of I-10 Ina to Ruthrauff widening project
New westbound Interstate 10 lanes are scheduled to open by Tuesday morning between Orange Grove and Ina roads in the northwest Tucson area as part of a larger project to improve safety and traffic
Loop 303 interchange at 43rd Avenue
The $70 million project is a top 12 finalist in the 2024 America’s Transportation Awards competition, making it eligible for the Grand Prize and the People’s Choice Award. You can vote for the People

Recently, we were asked on social media about merging into a center left-turn lane on a surface street: