It turns right onto State Street and passes the Commerce Civic Center, before curving back to the northeast.

The highway intersects US 441/SR 15 (Veterans Memorial Parkway) shortly before leaving the city limits of Commerce.

It curves to the east-northeast and then to the north-northeast and intersects the southeastern terminus of the aforementioned Duncan Road just before beginning to travel along the Banks–Franklin county line.

It curves to the north-northwest and crosses over the Hudson River, where the highway enters Franklin County proper.

Just over 4,000 feet (1,200 m) later, it meets its eastern terminus, an intersection with SR 106 (Athens Road) south-southwest of Carnesville.

From Erastus, the route turns northward crossing the Hudson River after its convergence with Grover Fork.