The route continues into Cambridge Township and becomes an unnamed road as it heads into agricultural areas with some homes.

Upon heading into Rockdale Township, PA 408 makes a turn to the south prior to curving southeast again through more farmland with some woods and residences.

The road enters Richmond Township, where it curves to the south and heads through more forested areas with some farm fields and homes.

Farther south, the route makes a turn to the east and passes more farms, woods, and residences.

PA 408 curves northeast and crosses the Oil Creek, passing farm fields before entering residential areas and turning southeast onto Main Street.