Interstate I-10 - SR-143 System Traffic Interchange

Key facts

Urban freeway interchange reconstruction between the I-10 Broadway Curve which runs along 11 miles (17.7 km) of Interstate 10 between Loop 202 (Santan/South Mountain Freeway) and I-17 near Phoenix Sky Harbor International Airport.

Widening the I-10 to six general purpose lanes and two high occupancy vehicle (HOV) lanes in each direction between US 60 (Superstition Freeway) and I-17.

Additional lane between Ray Road and US 60.

Parallel collector/distributor roads to the I-10 between Baseline Road and 40th St.

Replacing the Broadway Road and the 48 St Bridges and widening the I-10 Bridges over Salt River.

New bridges for pedestrians and cyclists over the I-10.

Traffic density: 300,000 vehicles/day.

ADOT’s largest urban freeway reconstruction project to date on its road network