The opening of new lanes along Interstate 10 and a rebuilt interchange in Tucson by the end of 2024 is just one of the Arizona Dept. of Transportation’s efforts for the year.
For decades, commuters, holiday trippers and truck drivers have contended with a twisting eight-mile uphill stretch of Interstate 17, with ascents to 6.17% and seasonal temperatures regularly exceeding 100 degrees.
Completed in April 2022, the $24.5-million diverging diamond interchange (DDI) at Houghton Road and I-10 is southern Arizona’s first and just the state’s second DDI.