roundabout

ADOT

End of the line for roundabouts at I-17, Happy Valley Road

It’s the end of the line for the roundabouts at the Interstate 17 interchange at Happy Valley Road in north Phoenix. The Arizona Department of Transportation is replacing the roundabouts starting this weekend (Aug. 7-10) as part of an ongoing project to add the state’s first full diverging diamond interchange. The Happy Valley Road roundabouts

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