UPDATE: All lanes now open on northbound I-19

TUCSON, AZ (Tucson News Now) - All lanes of travel are back open, according to the Arizona Department of Transportation.

There were two crashes slowing traffic on northbound Interstate 19 on Tuesday afternoon.

The first was just north of Pima Mine Road, where the left lane is closed at milepost 52, for a crash in the median.  The second is a crash just north of Papago Road at milepost 55.

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