Southern section The southern section of SH-2 begins at
SH-3 in Antlers. It travels north-northwest from here, roughly parallelling the
Kiamichi River, until reaching
Clayton and
US-271. North of Clayton, Highway 2 and US-271
overlap for . Immediately after this, SH-2 meets
SH-43's eastern terminus southeast of
Sardis Lake. SH-2 then crosses over the lake and meets
SH-1/
SH-63, and the three form a six-mile (10 km) concurrency. This area is mountainous and has some tight hairpin curves. After the concurrency Highway 2 continues northward, meeting
US-270 at
Wilburton. SH-2 then passes Robbers Cave State Park and the eastern edge of the Sansbois Mountains before reaching
SH-31 east of
Quinton, and the two form a six-mile (10 km) concurrency until
Kinta. north of here, Highway 2 meets
SH-9. later, the highway passes the eastern terminus of
SH-71, south of the town of
Porum, Oklahoma. later, SH-2 meets
US-266, which it will overlap until its end. After having an interchange at
I-40 milemarker 278, both SH-2 and US-266 end at
US-64 near
Warner.
Northern section The northern SH-2 begins at
US-60/
US-69 in
Vinita. It then heads due north, meeting
SH-25 west of
Bluejacket. Six miles north of here, it comes to a junction with
US-59 and
SH-10 in
Welch, Oklahoma. All signage for SH-2 ends at US-59/SH-10 in Welch. However, the official definition of the highway contains an
unsigned concurrency with US-59 to the point where it crosses the state line into Kansas. ==History==