 Construction starts this weekend on a massive project to expand the freeway interchange connecting Loop 101 (Agua Fria Freeway) and Interstate 10 in the West Valley.
The Arizona Department of Transportation’s $192 million project will add an elevated bridge for new high-occupancy vehicle (HOV) lane connections between the two freeways. Other improvements include new ramps and traffic flow enhancements along I-10 and Loop 101. Construction is scheduled to be completed in approximately three years.
The project will require weekend and weeknight closures or restrictions. This first weekend closure starts Friday night:
- Southbound Loop 101 closed between Indian School Road and I-10 from 9 p.m. Friday, May 15, to 5 a.m. Monday, May 18. Southbound Loop 101 on-ramps at Cardinals Way and Camelback Road closed. Detours: Consider exiting ahead of the closure and using southbound 91st or 99th avenues to reach I-10.
In addition to the HOV lane ramp structure providing connections to or from the direction of downtown Phoenix, the project will also:
- Adjust the location of the southbound Loop 101 exit at McDowell Road to help with traffic flow approaching the I-10 interchange. Traffic will exit in the same area as the Thomas Road off-ramp and use a new stretch of roadway to travel south to McDowell Road.
- Expand the southbound Loop 101 ramp to eastbound I-10 ramp by adding an exit ramp providing a direct connection to 91st Avenue south of I-10.
- Shift Loop 101 and I-10 slightly to provide capacity for the new structures, enhance mobility and accommodate future improvements.
More information is available at azdot.gov/Loop101-I10-TI.
The project is paid for through the Maricopa Association of Governments’ regional freeway plan, which includes funds from Proposition 400, a half-cent sales tax approved by Maricopa County voters in 2004. An extension of the regional sales tax for transportation improvements was approved by voters in 2024.
Reminder: Real-time highway conditions are available on ADOT’s Arizona Traveler Information site at AZ511.gov, the az511 app (download for Apple or Android devices) or by calling 511.
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