Drivers will face restrictions in October along Interstate 17 in the northern portion of the Valley, state transportation officials said.

Here is what to expect over the next several weekends, according to the Arizona Department of Transportation:

• Southbound I-17 will be closed at Loop 303 from 10 p.m. Friday, Oct. 4, to 5 a.m. Monday, Oct. 7.

Southbound I-17 will be narrowed to one lane between SR 74/Carefree Highway and Loop 303. Traffic will detour along the off- and on-ramps at Loop 303.

• Southbound I-17 will be closed at Loop 303 and then narrowed to one lane to Jomax Road from 10 p.m. Friday, Oct. 11, to 5 a.m. Monday, Oct. 14.

Traffic will detour along the off- and on-ramps at Loop 303.

• Northbound I-17 will be closed at Loop 303 from 10 p.m. Friday, Oct. 18, to 5 a.m. Monday, Oct. 21.

 Northbound I-17 will be narrowed to one lane between Happy Valley Road and Loop 303. Traffic will detour along the off- and on-ramps at Loop 303.