The highway meets Rush–West Rush Road at an intersection south of the community, at which point NY 15A turns back to the north and crosses over Honeoye Creek. In the process, NY 15A becomes East Henrietta Road, a name the highway retains until its northern end in Rochester. On the opposite side of the creek, NY 15A intersects NY 251 in the center of Rush.
The highway intersects Rush–West Rush Road at an intersection south of the community, where NY 15A turns back to the north and crosses over Honeoye Creek. In the process, NY 15A transforms into East Henrietta Road, a name it retains until its northern terminus in Rochester. On the opposite side of the creek, NY 15A intersects NY 251 at Rush's center.