A crash on Interstate 19 halted traffic Tuesday south of Green Valley.
According to the Arizona Department of Transportation, the crash happened at milepost 35 near Canoa Ranch Road.
The right southbound lane opened shortly after the crash was reported. The left lane remains blocked at this time.
There is no estimated time for the southbound lane to reopen.
Northbound traffic is unaffected.
For more traffic alerts, follow KGUN9 and KGUN9.com.
