Phoenix

New Southbound Lane Opens on Loop 101 in Scottsdale as Part of ADOT's $108 Million Widening Project

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Published on November 11, 2025
New Southbound Lane Opens on Loop 101 in Scottsdale as Part of ADOT's $108 Million Widening ProjectSource: Google Street View

Commuters in Scottsdale received a fresh dose of good news as the Arizona Department of Transportation (ADOT) announced the opening of a new southbound lane on Loop 101 between Princess Drive and Shea Boulevard. According to azdot.gov, the addition comes as part of a $108 million widening project aimed at boosting traffic capacity and safety improvements.

The new lane was made available early Monday, Nov. 10, after crews utilized the weekend to apply final touches such as pavement markings and lane stripes. This falls in line with recent upgrades, including a new northbound lane that was added in the preceding week, as part of the Loop 101 project initiated in January 2024, which ADOT anticipates wrapping up early next year. As of now, drivers have access to four general-purpose lanes and a high-occupancy vehicle lane on both the north and southbound sections within the project bounds.

Further enhancements are planned for spring, targeting the freeway's pavement surface within the same stretch. ADOT's efforts haven't been limited to lane additions. Recent infrastructure work includes traffic-signal and turn-lane improvements at the Frank Lloyd Wright Boulevard interchange and new turn lanes at several other interchanges. There's also been an upgrade in signs, freeway lighting, and traffic signals.

Financial backing for these developments is sourced in part from Proposition 400, a policy backed by Maricopa County voters through a half-cent sales tax. The wide-reaching Loop 101 project is part of the Regional Transportation Plan managed by the Maricopa Association of Governments, the metropolitan planning organization for the Phoenix area. For those interested in the project details, or for real-time highway conditions, ADOT keeps the public informed via its website, azdot.gov, and the AZ511 app.

In related news, previous updates about the Loop 101 initiative have indicated other significant changes, such as the addition of a new northbound lane, periodic ramp closures, and the dizzying array of freeway projects set to redefine Phoenix-area travel in 2024. ADOT continues its commitment to streamlining traffic flow and increasing road safety, as evidenced by these systematic improvements to one of the region's key freeways.

Phoenix-Transportation & Infrastructure