Sections of southbound Interstate 17 in north Phoenix and northbound Loop 101 in the East Valley will be closed for freeway improvement projects this weekend, state transportation officials said.

Lane restrictions and ramp closures also are scheduled from Friday night, July 26, to Monday morning, July 29, along Interstate 10 and US 60 for the Broadway Curve improvement project. Here are the details:

• Southbound I-17 will be closed between Loop 303 and Happy Valley Road from 10 p.m. Friday to 5 a.m. Monday for pavement work.

Southbound I-17 on-ramps at State Route 74/Carefree Highway and Dove Valley Road will be closed. Primary Detour: Traffic will detour on westbound Loop 303 to southbound Lake Pleasant Parkway and eastbound Happy Valley Road. Note: Consider traveling during early morning or later at night and avoid detouring on streets east of I-17 that are designed for local traffic, Arizona Department of Transportation officials said.

• Northbound Loop 101will be closed between US 60 and Loop 202 in Tempe from 9 p.m. Friday to 5 a.m. Monday for lane striping.

Northbound Loop 101 on-ramps at Warner, Elliot and Guadalupe roads also will be closed. Detours: Consider using westbound US 60 to westbound I-10 and northbound State Route 143 to reach Loop 202 near Sky Harbor Airport. Local alternate routes include northbound McClintock Drive or Dobson Road.

• Eastbound I-10 will be narrowed to two lanes between 24th Street and Broadway Road near Sky Harbor Airport from 10 p.m. Friday to 4 a.m. Monday for bridge work.

The southbound I-17 ramp to eastbound I-10 will be closed. Eastbound I-10 also will be narrowed to three lanes near US 60. The eastbound I-10 on-ramp at 24th Street will be closed, and ADOT officials said drivers should consider using the eastbound on-ramp at 32nd Street. Detours: Eastbound Loop 202 to southbound Loop and westbound Loop 202 in Chandler to reach I-10 beyond the weekend restrictions. Note: Southbound/eastbound Loop 202 is another alternate freeway route.

• The westbound US 60 ramp to eastbound I-10 in Tempe will be closed from 10 p.m. Friday to 4 a.m. Monday for work on the I-10 Broadway Curve improvement project.

The westbound I-10 ramp to eastbound US 60 also will be closed as will the westbound US 60 HOV ramp to westbound I-10. Detour: Westbound US 60 drivers can consider using the primary ramp to westbound I-10 and exiting at 40th Street to turn and enter eastbound I-10. Notes: The eastbound I-10 off-ramp at Baseline Road will be closed, and ADOT officials said drivers should consider exiting at Elliot Road. The westbound I-10 on-ramp at Baseline Road will be closed. Drivers can use northbound Priest Drive to westbound Broadway Road to enter westbound I-10.

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