UPDATE: Interstate 19 northbound has partially reopened after a crash that killed two people near Pima Mine Road, according to the Arizona Department of Transportation.
One lane is now open at milepost 41, while one lane remains closed. I-19 southbound was unaffected.
Two people have died in a crash on Interstate 19 near Pima Mine Road.
Traffic is restricted in both directions on the interstate, according to the Arizona Department of Public Safety.