PHOENIX – Improvement projects will require closures along sections of some Valley freeways this weekend, state transportation officials said.

These closures will take place from Friday night, Feb. 28, until Monday morning, March 3:

• Southbound I-17 will be closed between State Route 74/Carefree Highway and Loop 303 in north Phoenix from 10 p.m. Friday to 5 a.m. Monday for a pavement improvement project. 

Southbound I-17 on-ramps at SR 74 and Dove Valley Road will be closed. Detour: Southbound I-17 traffic will travel west on SR 74 to southbound Lake Pleasant Parkway and use eastbound Loop 303 to return to I-17, according to the Arizona Department of Transportation. Avoid using neighborhood streets next to I-17 that are not designed to handle freeway traffic. Drivers should stay with the designated SR 74 detour route. Some street closures will be in place (local traffic only).

• Northbound Loop 101 will be closed between Shea Boulevard and Princess Drive/Pima Road in north Scottsdale from 10 p.m. Friday to 5 a.m. Monday for bridge work as part of widening project. 

Northbound Loop 101 on-ramps at Via de Ventura and 90th Street will be closed. Consider alternate freeway routes to avoid delays. DETOUR: Traffic exiting at Shea Boulevard can travel west to northbound Scottsdale Road to reach Loop 101 north of Bell Road.

• Eastbound Loop 101 will be closed between 35th Avenue and I-17 from 10 p.m. Friday to 5 a.m. Monday for sign structure removal as part of a widening project. 

Traffic exiting at 35th Avenue can travel north or south to reach cross streets that connect with I-17 (examples: Deer Valley Road for northbound or Union Hills Drive for southbound). Note: The north- and southbound I-17 ramps to eastbound Loop 101 will remain open.

• Northbound SR 143 will be closed between I-10 and Loop 202 near Sky Harbor Airport from 7 p.m. Saturday to 4 a.m. Monday for pavement marking work. 

Northbound 48th Street will be closed between Broadway Road and I-10. SR 143 Detour: Drivers on westbound I-10 can continue west to eastbound Loop 202 to reach southbound SR 74. Travelers going to Sky Harbor Airport can use routes to the airport’s west entrance (via Buckeye Road). Note: The eastbound I-10 on-ramp at Warner Road will be closed from 8 p.m. Friday to 5 a.m. Sunday for construction. Consider using the eastbound on-ramp at Ray Road. For more: I10BroadwayCurve.com.

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