It heads northeast from this junction to an intersection with FM 850.

Heading towards the north, the highway continues to a junction with FM 2011.

As the highway continues to the northeast, it intersects SH 149 in Lakeport.

SH 322 reaches its northern terminus at I-20 in Longview.

In 1944, the highway was extended north to SH 149 south of Longview.