Its western terminus is at the northern end of the SR 46 and SR 307 concurrency in Jefferson, and its eastern terminus is at the Pennsylvania state line about 13 miles (21 km) south of Conneaut, where Pennsylvania Route 198 (PA 198) continues east.

The route, known as Beech Street, travels east and crosses a railroad owned by Ashtabula, Carson & Jefferson.

After that, the route starts heading east again, and becomes PA 198 after crossing the Ohio–Pennsylvania state line.

[5] The lowest traffic count is near the state line, where 330 vehicles travel on the road on average.

[2][3] In 1928, the route was rerouted from Jefferson to the Pennsylvania state line east of Pierpoint.