New York State Route 15A is a north-south highway in Central Monroe County. It runs from the Livingston/Erie County Line to Rochester. NY St Rt 15A passes through the following towns in Monroe County. Rush Henrietta Brighton Rochester NY St Rt 15A is not multi-plexed in Monroe County. NY St Rt 15A crosses the following highways in Monroe County. New York State Route 251, at Rush. Interstate 90, (New York State Thruway) near Henrietta. (NO Interchange) New York State Route 253, at Henrietta. Interstate 390, near Brighton. New York State Route 252, near Brighton. Interstate 390, at Rochester. New York State Route 15, at Rochester.
