I-17 101 traffic interchange

Southbound SR 143 to close between Loop 202 (Red Mountain Freeway) and I-10  (Nov. 17-18)

Southbound SR 143 to close between Loop 202 (Red Mountain Freeway) and I-10  (Nov. 17-18)

November 14, 2023

Drivers should expect delays and plan for detours

PHOENIX – The Arizona Department of Transportation is advising motorists to plan ahead and anticipate delays as southbound SR 143 will be closed between Loop 202 (Red Mountain Freeway) and I-10 from 10 p.m. Friday, Nov. 17 to 10 p.m. Saturday, Nov. 18, for a traffic shift. The following ramps will be closed.

  • The ramps from Loop 202 (Red Mountain Freeway) to southbound SR 143
  • The southbound SR 143 on-ramps at Washington Street, Sky Harbor Boulevard and University Drive.

Southbound SR 143 detour for westbound Loop 202 drivers: Use westbound Loop 202 (Red Mountain Freeway) to eastbound I-10 to access destinations south of the closure.

Southbound SR 143 detour for eastbound Loop 202 drivers: Use eastbound Loop 202 (Red Mountain Freeway) to southbound Loop 101 (Price Freeway) to westbound Loop 202 (Santan Freeway) to access destinations south of the closure.

East Valley airport access: From Loop 202 (Red Mountain Freeway), use the Sky Harbor Boulevard entrance.

NOTE: Several other ramp and lane closures are scheduled this weekend. For more information about additional weekend restrictions and closures visit i10broadwaycurve.com/alerts.

Please note: Schedules can quickly change because of weather and other unforeseen situations. For the most up-to-date information, we encourage you to download the Interstate 10 Broadway Curve Improvement Project’s free mobile app, TheCurve or visit the Alerts section of the project website before you travel

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The I-10 Broadway Curve Improvement Project is identified in the Maricopa Association of Governments’ Regional Transportation Plan, funded by a half-cent sales tax approved by Maricopa County voters in 2004 through Proposition 400. MAG identified the need for this project to reduce travel times on I-10 during peak hours; improve airport access; support ridesharing and transit; and prepare the region for future growth projections. Learn more about the major improvements here