The route began in Potsdam , headed northwest to Madrid , then turned northeast and continued to its northern terminus in Norfolk .
NY 56A was an alternate route of NY 56 between Potsdam and Norfolk in St. Lawrence County .
The route began in Potsdam , headed northwest to Madrid , then turned northeast and continued to NY 56 's northern terminus Norfolk Norfolk .
NY 56A was an alternate route of NY 56 between Potsdam and Norfolk in St. Lawrence County .