NB I-75 closed at 14 Mile in Troy after crash, causing traffic

TROY, Mich. (FOX 2) - Vehicles are backed up for about a mile due to a crash on NB I-75 at 14 Mile in Troy.

All lanes of the freeway were closed around 9:30 p.m. It is unclear when they will be reopened. 

Drivers should avoid the area if possible. 

This is a developing story. Stay with FOX 2 for updates.