Crews Building Loop 202 South Mountain Freeway Interchange

Motorists traveling from the West Valley toward downtown Phoenix this weekend should allow extra travel time and plan ahead to avoid a closure of eastbound Interstate 10 between 67th and 51st avenues due to construction of the Loop 202 South Mountain Freeway interchange, according to the Arizona Department of Transportation.

Eastbound I-10 is scheduled to be closed from 9 p.m. Friday, April 12, to 8 p.m. Sunday, April 14, in west Phoenix. To avoid delays on eastbound I-10, motorists should consider alternate routes, including the Loop 101 (Agua Fria Freeway) west of Interstate 17, or exiting I-10 sooner and taking local streets to re-enter past the closure point.

Click on the map at right to see the immediate area of the closure.

Crews using a 300-ton crane will be setting more than 20 girders for an HOV ramp.

Eastbound I-10 traffic can exit at 67th Avenue and detour either to the eastbound I-10 access road or McDowell Road/Van Buren Street before re-entering the freeway at 51st Avenue; however, heavy delays are likely.

The eastbound I-10 on-ramps at 91st, 83rd, 79th and 75th avenues will be closed to help reduce traffic backups.

The 22-mile South Mountain Freeway is scheduled for full completion in 2020, although traffic is expected to be using the freeway earlier. It will provide a long-planned direct link between the East Valley and West Valley and a much-needed alternative to I-10 through downtown Phoenix. Approved by Maricopa County voters in 1985 and again in 2004 as part of a comprehensive regional transportation plan, the South Mountain Freeway will complete the Loop 202 and Loop 101 freeway system in the Valley.

For information on the project, visit

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