State Highway 30 (abbreviated SH-30) is a state highway in Oklahoma.
It runs 84.4 miles (135.8 km) south-to-north along the western edge of the state, from U.S. Highway 62 (US-62) in Hollis to the town of Durham, two miles (3 km) north of SH-33.
It passes through Harmon, Beckham and Roger Mills counties.
SH-30 does not have any letter-suffixed spur routes branching from it.

The SH-30 designation dates back to March 31, 1936, when it spanned from Erick to Sweetwater.
The highway gradually evolved over the years, reaching its current form in 1970.
State Highway 30 (abbreviated SH-30) is a state highway in Oklahoma. It runs 84.4 miles (135.8 km) south-to-north along the western edge of the state, from U.S. Highway 62 (US-62) in Hollis to the town of Durham, two miles (3 km) north of SH-33. It passes through Harmon, Beckham and Roger Mills counties. SH-30 does not have any letter-suffixed spur routes branching from it.
The SH-30 designation dates back to March 31, 1936, when it spanned from Erick to Sweetwater. The highway gradually evolved over the years, reaching its current form in 1970.
Oklahoma State Highway 30