Northbound SR 143 to close between Broadway Road and University Drive (March 11-13)

PHOENIX-The Arizona Department of Transportation is advising motorists to plan ahead and expect to use detours as northbound SR 143 is closed between Broadway Road and University Drive from 7 p.m. Saturday, March 11, to 4 a.m. Monday, March 13. Crews with the Interstate 10 Broadway Curve Improvement Project will be conducting a traffic shift to open the new northbound 48th Street bridge over I-10. The following ramps will also be closed:

• The westbound I-10 ramp to northbound SR143 will be closed from 10 p.m. Friday, March 10, to 4 a.m. Monday, March 13. 
• The connector ramp between 48th Street and Broadway Road will be closed from 7 p.m. Friday, March 10, to 4 a.m. Monday, March 13. Use southbound 48th Street to access Broadway Road instead. 

Westbound I-10 to northbound SR 143 detour: Use westbound I-10 to eastbound Loop 202 (Red Mountain Freeway) to access SR 143 and other destinations north of the closure.

Motorists traveling westbound on I-10 and US 60 heading to Phoenix Sky Harbor International Airport can stay on westbound I-10 and use the airport entrances at 24th Street or Buckeye Road, or use the Sky Harbor entrance from the Loop 202 (Red Mountain Freeway). 

Eastbound I-10 to northbound SR 143 detour: Use southbound 48th Street to eastbound Broadway Road to northbound Priest Drive to westbound University Drive to access SR 143 and other destinations north of the closure. 

Additionally:

• Northbound 48th Street/SR143 will be narrowed to one lane between Broadway Road and University Drive from 7 p.m. Friday, March 10, to 7 p.m. Saturday, March 11. 
• Southbound 48th Street will be closed at I-10 from 12:00 a.m. to 2:00 a.m. Saturday, March 11, for traffic signal work. At the same time, southbound SR 143 loop ramp to eastbound I-10 will be closed. Use westbound I-10 to southbound 40th Street to access eastbound I-10 and the eastbound I-10 off-ramp at 48th Street.

*Beginning Monday, March 13, drivers will begin using the new northbound 48th Street bridge over I-10 when northbound SR 143 reopens on Monday, March 13. The existing northbound 48th Street bridge over I-10 will be permanently closed and eventually removed. 

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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.