Oklahoma State Highway 55

State Highway 55 is a state highway in western Oklahoma. It runs for 39.9 miles (64.2 km)^[1] from Carter, Oklahoma to the unincorporated community of Lake Valley. It has no lettered spur routes.

State Highway 55
Route information
Maintained by ODOT
Length	39.9 mi[1] (64.2 km)
Major junctions
West end	SH-34 in Carter
Major intersections	US 183 in Rocky
East end	SH-54 in Lake Valley
Location
Country	United States
State	Oklahoma
Highway system
Oklahoma State Highway System Interstate US State Turnpikes
← SH-54 → US 56

Route description

SH-55 begins at State Highway 34 in Carter, in eastern Beckham Co. It heads east for six miles (10 km), where it meets State Highway 6 and overlaps it to the south. After running along the Beckham/Washita Co. line, it splits off to the east near Retrop. It then meets State Highway 44 in Sentinel. Seven miles later it meets US-183 in Rocky. It then terminates at State Highway 54 in Lake Valley.

Junction list

County	Location	mi[1]	km	Destinations	Notes
Beckham	Carter	0.0	0.0	SH-34	Western terminus
	​	5.9	9.5	SH-6	Northern end of SH-6 concurrency
Beckham–Washita county line	Retrop	10.9	17.5	SH-6	Southern end of SH-6 concurrency
Washita	Sentinel	21.4	34.4	SH-44	Southern end of SH-44 concurrency
		21.5	34.6	SH-44	Northern end of SH-44 concurrency
	Rocky	28.0	45.1	US 183
	Lake Valley	39.9	64.2	SH-54
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus