Arizona Department of Transportation

10/03/2024 | Press release | Archived content

Southbound State Route 143 to close between Loop 202 (Red Mountain Freeway) and Interstate 10 (Oct. 4-7)

PHOENIX - The Arizona Department of Transportation is advising motorists to expect delays and plan on using detours as Southbound SR 143 will be closed between Loop 202 (Red Mountain Freeway) and I-10 from 10 p.m. Friday, Oct. 4, to 4 a.m. Monday, Oct. 7, for a traffic shift. At the same time, the following ramps will be closed:

• The ramps from Loop 202 (Red Mountain Freeway) to southbound SR 143

• The I-10 ramps to northbound SR 143

In addition, the following ramps will be closed from 8 p.m. Friday, Oct. 4, to 4 a.m. Monday, Oct. 7:

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

Westbound Loop 202 (Red Mountain Freeway) Detour:Use westbound Loop 202 to eastbound I-10 to access destinations south of the closure.

Eastbound Loop 202 (Red Mountain Freeway) Detour:Use eastbound Loop 202 to southbound Loop 101 (Price Freeway) to westbound Loop 202 (Santan Freeway) to access destinations south of the closure.

Airport access:Use southbound 44th Street from Loop 202 (Red Mountain Freeway) or Buckeye Road.

When southbound SR 143 reopens on Mon., Oct. 7, southbound 48th Street will reopen as well. The eastbound I-10 off-ramp at 48th Street will remain closed until later this year. Use the eastbound I-10 off-ramp at Broadway Road instead.

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

Please note: The Arizona Department of The Arizona Department of Transportation advises drivers to use designated detours when there are closures on state highways. 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, TheCurveor visit the Alerts section of the project websitebefore 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 improvementshere.