ADOT, Flagstaff team to improve traffic flow on US 180 downtown

Project will add turn lanes where Humphreys Street meets Route 66

PHOENIX ‒ Flagstaff residents and visitors will be able to spend more time enjoying the attractions of northern Arizona and less time getting there thanks to an upcoming Arizona Department of Transportation project designed to reduce congestion in the heart of that city 

ADOT and the city of Flagstaff are teaming to add turn lanes where North Humphreys Street (US 180) meets Historic Route 66, with the city contributing land for right of way. That intersection is where area residents, Grand Canyon visitors and those who play in the snow turn onto and off of US 180.

Using $1.9 million in federal funding, ADOT will add a second right-turn lane from southbound Humphreys Street onto Route 66. The project also will add a single right-turn lane from northbound Humphreys Street onto West Aspen Avenue, the first intersection north of Route 66 and a common route to downtown businesses. That lane eventually will become part of dual northbound lanes through the area.

The project involves land next to Flagstaff City Hall but won’t take any land from Wheeler Park north of Aspen Avenue, according to Audra Merrick, district engineer for ADOT’s Northcentral District, who added that the city’s contribution of land in the right of way made it possible to move ahead quickly.

“When we have partners contributing to these projects ‒ in this case, opportunities for rights of way ‒ it provides the needed value for these projects to be really successful,” Merrick said. 

ADOT will do the work because Historic Route 66 and US 180 are state highways.

Design work is set to begin in fiscal year 2017, and construction is expected to start in fiscal year 2019.

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