State Route 385 is an east–west state highway in the western portion of Ohio. The western terminus of State Route 385 is at U.S. Route 33 in New Hampshire, at a signalized intersection that doubles as the southern terminus of State Route 196. State Route 385's eastern terminus is at State Route 117 in the unincorporated community of Roundhead, less than two blocks northwest of State Route 117's junction with State Route 235.
State Route 43 is a mainly north–south state highway that runs through the northeastern quadrant of the U.S. state of Ohio. Its southern terminus is at a signalized intersection with State Route 7 along the Ohio River in Steubenville, and its western terminus is approximately 123 miles (198 km) to the north at Public Square in Cleveland. It is one of ten routes to enter Public Square.
State Route 638 is a two-lane north–south state highway in the west central portion of Ohio, a U.S. state. SR 638 has its southern terminus at an intersection with U.S. Route 68 (US 68) just over six miles (9.7 km) north of the city of Bellefontaine. The northern terminus of the route is at SR 273 at the extreme southeastern corner of the village of Belle Center.
Pennsylvania Route 74 is a 96.4-mile-long (155.1 km) north–south state highway located in central Pennsylvania. The southern terminus of the route is at the Mason–Dixon line southwest of Delta, where PA 74 continues into Maryland as Maryland Route 165. The northern terminus is at Pennsylvania Route 75 south of Port Royal.
State Route 553 is a north–south state highway in the southern portion of the U.S. state of Ohio. SR 553 has its southern terminus at a T-intersection with SR 7 in Crown City. The route's northern terminus is at SR 218 approximately two miles (3.2 km) northwest of Crown City.
State Route 373 is north–south state highway in the southern portion of Ohio. Its southern terminus is just over eleven miles (18 km) north of Ironton at SR 93 at the hamlet of Bartles, and its northern terminus is at about three miles (4.8 km) to the north of its southern terminus, also at SR 93.
State Route 515 is a north-south state highway located in east-central Ohio. Existing entirely within the northeastern portion of Holmes County in Ohio's Amish Country, SR 515 has its southern terminus at a signalized intersection with SR 39 in the unincorporated community of Walnut Creek. Its northern terminus is at a T-intersection with U.S. Route 62 (US 62) one mile (1.6 km) southwest of the hamlet of Winesburg.
State Route 566 is a north–south state highway in eastern Ohio, a U.S. state. Located exclusively in northern Noble County, SR 566 has its southern terminus at SR 147, at a T-intersection 1.25 miles (2.01 km) north of the unincorporated community of Mount Ephraim. Its northern terminus is at another T-intersection, this time with SR 285 approximately 1.25 miles (2.01 km) south of the village of Senecaville.
State Route 546 is a north–south state highway in the northern portion of the U.S. state of Ohio. The southern terminus of SR 546 is at a T-intersection with SR 13 nearly two and a half miles (4.0 km) north of Fredericktown. Its northern terminus is at a signalized intersection with the U.S. Route 42 (US 42)/SR 97 concurrency in Lexington.
State Route 518 is an east–west state highway located entirely in Columbiana County in northeast Ohio. The western terminus of SR 518 is at SR 644 north of Summitville. Its eastern terminus is at the concurrency of U.S. Route 30 (US 30) and SR 45 near West Point.
State Route 626 is a north–south state highway in the northeastern portion of the U.S. state of Ohio. The southern terminus of SR 626 is at SR 165 approximately one and a half miles (2.4 km) southeast of the hamlet of North Lima. Its northern terminus is at SR 7 nearly two miles (3.2 km) south of the township of Boardman.
Ohio State Route 691 is a north–south state route in southern Ohio. The entirety of SR 691 is within Athens County. Its southern terminus is at OH 56 about 1.5 miles (2.4 km) northwest of New Marshfield, and its northern terminus is at an interchange with US 33 and SR 78 in Nelsonville.
State Route 282 is a north–south state highway in northeastern Ohio, a U.S. state. The southern terminus of SR 282 is at a T-intersection with SR 305 near the hamlet of Nelson. Its northern terminus is also at a T-intersection, this time with the four-lane divided U.S. Route 422 (US 422) approximately two miles (3.2 km) southeast of Parkman. SR 282 primarily serves as an access route for Nelson Kennedy Ledges State Park. For its duration, the highway is also known as Nelson Ledge Road.
State Route 748 is a north–south state highway in southwestern Ohio, a U.S. state. Situated in west-central Butler County, SR 748 has its southern terminus at SR 126 in the unincorporated community of Shandon. Its northern terminus is at SR 129 near Millville, just one-half mile (0.80 km) west of SR 129's junction with U.S. Route 27.
State Route 187 (SR 187) is a 8.22-mile (13.23 km) north–south state highway in the central portion of the U.S. state of Ohio. The southern terminus of SR 187 is at a T-intersection with SR 56 approximately 4.25 miles (6.84 km) northwest of London. Its northern terminus is at a T-intersection with SR 29 about one mile (1.6 km) to the southeast of Mechanicsburg.
State Route 555 is a 62.36-mile-long (100.36 km), north–south running state highway that passes through four counties in southeastern Ohio. State Route 555's southern terminus is at the concurrency of US 50, SR 7 and SR 32 in the unincorporated community of Little Hocking in extreme southwestern Washington County. Its northern terminus is at SR 60 in Wayne Township, just outside Zanesville. The route passes through primarily rural portions of Washington, Morgan, Perry, and Muskingum counties, connecting unincorporated villages along the way. Its emergence into southern Zanesville at the route's northern end takes the route into a more suburban setting before it terminates.
State Route 216 is a north–south state highway in the southeastern quadrant of the U.S. state of Ohio. The southern terminus of SR 216 is at a three-way stop T-intersection with SR 78 in Murray City. SR 216's northern terminus is also at a three-way stop T-intersection, this time with SR 93 in New Straitsville.
State Route 606 is a north–south state highway in the northeastern quadrant of the U.S. state of Ohio. The southern terminus of SR 606 is at a T-intersection with SR 3 approximately 4.50 miles (7.24 km) northeast of Medina. The highway's northern terminus is at another T-intersection, this time with the SR 94/SR 303 concurrency nearly 3.25 miles (5.23 km) west of Richfield.
State Route 312 (SR 312) is a north–south state highway located in the southern portion of the U.S. state of Ohio. SR 312 runs from its southern terminus at a T-intersection with SR 93 approximately 4.25 miles (6.84 km) northeast of Logan to its northern terminus at a T-intersection with SR 664 nearly 1.25 miles (2.01 km) south of Bremen.
State Route 55 is an east-west highway in Middle Tennessee. The road begins at SR 50 in Lynchburg and ends at U.S. Route 70S and SR 380 in McMinnville. The current length is 53.40 mi (85.9 km). SR 55 heads northeast from Lynchburg to Tullahoma as a two-lane road. In Tullahoma, the route runs concurrent with US 41A. From here, SR 55 heads northeast as a multilane highway to Manchester, where it intersects US 41 and Interstate 24 (I-24). The route continues northeast, serving Summitville and Morrison before it reaches McMinnville.
