 Campbell Avenue ended here; however, the route continued on, following Spring Avenue east for three blocks to an intersection with NY 66 (Pawling Avenue) just south of the Emma Willard School.Past NY 66, NY 154 traversed several additional city blocks before leaving Troy and entering the town of Brunswick.This section of the route passed through a mostly rural portion of Rensselaer County as it gradually headed southeastward toward an intersection with NY 355.