From this junction, the highway follows Main Street to the east out of town.

[2] The road dips gently to the south approximately one mile (1.6 km) east of Laverne before returning to its previous line of latitude.

About two and a half miles (4.0 km) east of Laverne, the road crosses the Beaver River.

SH-149 then continues due east to SH-46, where it ends.

[3] The entire route is in Harper County.