county route 115 (cr 115) is a northwest–southeast county highway located mostly within the town of caroline in tompkins county, new york, in the united states. it extends for from the tioga county line south of the hamlet of speedsville to an intersection with new york state route 79 (ny 79) just north of the caroline town line in the town of dryden. the highway continues into tioga county as cr 33. the portion of cr 115 north of the hamlet of guide board corners was originally designated as new york state route 330 and maintained by the state of new york. ny 330 existed from the early 1930s to 1980, when ownership and maintenance of the highway was transferred to tompkins county.