The following highways are numbered 568:
| Preceded by 567 | Lists of highways 568 | Succeeded by 569 |
State Route 568 is an east–west state highway in the northwestern portion of the U.S. state of Ohio. The western terminus of this highway is at a signalized intersection in downtown Findlay where it meets State Route 12 and State Route 37. The eastern terminus of State Route 568 is in downtown Carey at a signalized intersection that serves as all of the northern split of the U.S. Route 23/State Route 103 concurrency, the western split of the State Route 103/State Route 199 concurrency and the southern split of the U.S. Route 23/State Route 199 concurrency. Currently, 2 bridges on the road are going through rehabilitation expected to last until 2025.
The National Highway System (NHS) is a network of strategic highways within the United States, including the Interstate Highway System and other roads serving major airports, ports, military bases, rail or truck terminals, railway stations, pipeline terminals and other strategic transport facilities. Altogether, it constitutes the largest highway system in the world.
Pennsylvania Route 568 is an 11.60-mile-long (18.67 km) state route in Berks County in east central Pennsylvania, United States. The western terminus is at U.S. Route 222 near Adamstown, where PA 568 continues to the southwest as PA 272. The eastern terminus is at PA 724 in the Robeson Township hamlet of Gibraltar. The route is a two-lane undivided road that passes through rural areas in southern Berks County. The route intersects PA 625 in Knauers, passes through Alleghenyville, and forms a brief concurrency with PA 10 in Green Hills. PA 568 was designated onto its current alignment by 1966. The intersection with US 222 and PA 272 at the western terminus was replaced with an interchange in 2006.
Maryland Route 367 is a state highway in the U.S. state of Maryland. Known as Bishopville Road, the state highway runs 2.60 miles (4.18 km) from the county-maintained portion of Bishopville Road at Bishop east to the Delaware state line near Bishopville. MD 367 connects U.S. Route 113 with Bishopville and other small communities on the St. Martin Neck in northern Worcester County. The state highway was constructed between Bishop and Bishopville in two steps in the mid-1920s and early 1930s, respectively. The segment within Bishopville was constructed as part of an extended MD 368 in the mid-1910s. The portion from Bishopville to the Delaware state line was constructed in the mid-1930s as MD 568. All three state highways were reassigned to their present lengths in 1950.
King's Highway 109, or Highway 109, is a former provincial highway in Ontario. It was used on two separate, unrelated routes during the 1950s and 1960s:
