In Lebanon, it heads southeast between Williams and Brewster Ponds before turning east through the town center and into Franklin.

In Sprague, it continues east to end at an intersection with Route 97 on the west bank of the Shetucket River in Baltic.

[1] The section of Route 207 in Franklin is designated the Paul Henry Bienvenue Memorial Highway.

[2] At the same time, the section from Baltic to Taftville was assigned as part of Route 97.

At around the same time, the eastern end was reconfigured such that it paralleled but did not intersect Route 97 to the Sprague-Norwich town line.