Southbound State Route 143 to close between Loop 202 (Red Mountain Freeway) and Interstate 10 (Aug. 23-26)

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Southbound State Route 143 to close between Loop 202 (Red Mountain Freeway) and Interstate 10 (Aug. 23-26)

Southbound 48th Street long-term closure also planned; new southbound SR 143 ramp to eastbound I-10 opens

SR 143 detour map

The Arizona Department of Transportation advises drivers to plan for the southbound State Route 143 to be closed between Loop 202 (Red Mountain Freeway) and I-10 from 10 p.m. Friday, Aug. 23, to 4 a.m. Monday, Aug. 26, for a traffic shift. At the same time, the ramps from Loop 202 (Red Mountain Freeway) to southbound SR 143 will be closed.

The following ramps will also be closed from 8 p.m. Friday, Aug. 23, to 4 a.m. Monday, Aug. 26:

  • 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 US 60 to access destinations south of the closure.

Airport access: Use northbound SR 143 or southbound 44th Street from Loop 202 (Red Mountain Freeway).

View the detour video here.


New lane configuration: When southbound SR 143 reopens, drivers can expect a new lane configuration. Southbound 48th Street will be closed between I-10 and Broadway Road. This closure is expected to last into September. Drivers should use the new southbound SR 143 flyover ramp to access eastbound I-10. To access southbound 48th Street, use westbound I-10 to southbound 40th Street to eastbound Broadway Road.

New lane configuration 8.26 map