UPDATE 9:30 P.M. State Troopers telling Flagscanner that this is a multiple fatality accident and that there is no estimated time for reopening.
According to ADOT and State Troopers, a crash has closed the Interstate 17, South-bound from mile post 278, at SR 169 to mile post 270, 7.0 miles North of SR 69. This is near the Cordes Jct area.