Rome, New York Canal. On July 4, 1817 construction on the canal began in Rome. The Erie Canal reaches a summit in Rome, attaining an elevation of 420 feet. The first phase was completed in 1825, connecting the Hudson River by waterway to the Great Lakes. It resulted in an increase in trade and traffic between communities around the Great Lakes and New York City, stimulating development along the route. Jesse Williams founded the first cheese factory in the United States at Rome in 1851. Williams also developed the process used today for large-scale cheese manufacturing. There were numerous dairy farms in the
Erie Canal which is navigable upstream to the New York Barge Canal's Black Rock Lock and thence to the Canal's original "Western Terminus" at Buffalo's Inner Harbor. The growth of railroads and highways across the state, and the opening of the Saint Lawrence Seaway, caused commercial traffic on the canal to decline dramatically during the second half of the 20th century. In 1992, the New York State Barge Canal was renamed the New York State Canal System (including the Erie, Cayuga-Seneca, Oswego, and Champlain canals) and placed under the newly created New York State Canal Corporation, a subsidiary of the New York