State Route 278
Route information
Maintained by ODOT
Length	27.61 mi[1] (44.43 km)
Existed	1930–present
Major junctions
South end	US 50 near McArthur
Major intersections	US 33 Bus. in Nelsonville
North end	SR 595 near Nelsonville
Location
Country	United States
State	Ohio
Counties	Vinton, Hocking, Athens
Highway system
Ohio State Highway System Interstate US State Scenic
← SR 277 → SR 279

State Route 278 (SR 278) is a north–south state highway located in the southeastern part of the U.S. state of Ohio. The southern terminus of SR 278 is at US 50 approximately 4.75 miles (7.64 km) east of McArthur. The highway's northern terminus is at the T-intersection it has with SR 595 nearly 5.50 miles (8.85 km) northwest of Nelsonville.

Established in the early 1930s, SR 278 primarily connects rural communities in Vinton, Hocking, and Athens Counties. In Vinton County, it passes through and provides access to the Zaleski State Forest and Lake Hope State Park.

Route description

SR 278 travels through portions of the counties of Vinton, Hocking and Athens. There are no segments of SR 278 that are a part of the National Highway System.^[2]

History

When it was designated in 1930, SR 278 was a spur route that ran along the segment of the current route between its current southern terminus at US 50 and the village of Zaleski.^[3][4] In 1937, the highway was extended north from Zaleski, through Nelsonville up to its current northern terminus at SR 595.^[5][6]

Major intersections

County	Location	mi[1]	km	Destinations	Notes
Vinton	Madison Township	0.00	0.00	US 50
	Zaleski	3.42	5.50	SR 677 south / 2nd Street	Northern terminus of SR 677
Hocking	Starr Township	13.24	21.31	SR 56 west – Laurelville	Southern end of SR 56 concurrency
		13.33	21.45	SR 56 east – Athens	Northern end of SR 56 concurrency
Athens	Nelsonville	21.60	34.76	US 33 Bus. (West Canal Street) to US 33 – Logan, Athens
Hocking	Green Township	27.61	44.43	SR 595
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus