Ohio State Route 678

State Route 678
Route information
Maintained by ODOT
Length4.00 mi (6.44 km)
Existed1937–present
Major junctions
South end SR 374 near Gibisonville
North end SR 180 near Gibisonville
Location
CountryUnited States
StateOhio
CountiesHocking
Highway system
  • Ohio State Highway System
SR 677 I-680

State Route 678 (SR 678) is a short four-mile-long (6.4 km) northsouth state highway located in southeast Ohio. Entirely situated within Laurel Township in Hocking County, SR 678 has its southern terminus at SR 374 approximately one and a half miles (2.4 km) southwest of the hamlet of Gibisonville, and its northern terminus is at SR 180 nearly two and a half miles (4.0 km) northeast of Gibisonville. SR 678 provides a shorter alternative for traffic using SR 374 en route from Hocking Hills State Park up to U.S. Route 33 (US 33) at Rockbridge, in conjunction with SR 180.