Ohio State Route 666
| Route information | ||||
|---|---|---|---|---|
| Maintained by ODOT | ||||
| Length | 14.17 mi (22.80 km) | |||
| Existed | 1937–present | |||
| Major junctions | ||||
| South end | SR 60 / SR 146 in Zanesville | |||
| North end | SR 208 near Dresden | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Muskingum | |||
| Highway system | ||||
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State Route 666 (SR 666) is a 14.17-mile (22.80 km) state route that runs between Zanesville and Dresden in the US state of Ohio. Most of the route is a rural two-lane highway and passes through both woodland and farmland. For much of its path, SR 666 runs generally parallel to the east of the Muskingum River. The highway was first signed in 1937 on the same alignment as today. The whole highway was paved by 1955.