PHOENIX – Interstate 10 and State Route 143 road work this weekend will alter travel to Sky Harbor Airport while pavement improvement work along Interstate 17 is expected to slow travel in the north Valley, state transportation officials said.

Schedules are subject to change due to inclement weather for the following projects that will take place from Friday night, March 7, to Monday morning, March 10:

• Southbound I-17 will be narrowed to two lanes between Loop 303 and Happy Valley Road in north Phoenix from 9 p.m. Friday to 8 a.m. Sunday for lane striping as part of a pavement improvement project.

Southbound I-17 on-ramps at Loop 303 and Dixileta Drive and the southbound off- and on-ramps at Jomax Road will be closed. The Arizona Department of Transportation advises drivers to allow extra travel time and be prepared to slow down and merge safely in all work zones.

• Northbound I-17 will be narrowed to two lanes between Dove Valley Road and State Route 74/Carefree Highway from 1 p.m. to 11 p.m. Saturday for lane striping as part of a pavement improvement project.

Northbound I-17 on-ramps at Loop 303 and Dove Valley Road will be closed. Northbound I-17 off-ramps at SR 74 will be closed. The northbound I-17 frontage road between Loop 303 and SR 74 will be closed. 

• I-10 will be narrowed to three lanes in both directions in areas between the I-17 “Split” interchange near Sky Harbor Airport and US 60 from 8 p.m. Friday to 4 a.m. Monday for work on the Broadway Curve improvement project.

The westbound I-10 lane restrictions are scheduled to end by 10 a.m. Sunday. The westbound I-10 on-ramp at Baseline Road also will be closed this weekend for overhead sign work. For more information visit I10BroadwayCurve.com. 

• Southbound SR 143 will be closed between Loop 202 and I-10 near Sky Harbor Airport from 10 p.m. Friday to 10 a.m. Sunday for a traffic shift as part of the I-10 Broadway Curve project.

The westbound Loop 202 exit ramp to Sky Harbor Airport also will be closed from 8 p.m. Friday to 10 a.m. Sunday (consider using southbound 44th Street to enter the airport). Southbound SR 143 Detour: Alternate routes include westbound Loop 202 to eastbound I-10 at the SR 51 “Mini-Stack.” Note: Guadalupe Road will be closed over I-10 (between Pointe Parkway and Calle Sahuaro) from 8 p.m. Friday to 4 a.m. Monday for construction. Plan to use alternate routes including Elliot Road, according to ADOT.