 At this time another railroad, the Northern Railroad of Long Island threatened the Long island Rail Road's monopoly.The Northern Railroad was incorporated on March 23, 1881, and it planned to build a road from Astoria to Northport via Flushing, Great Neck, Glen Cove, Oyster Bay and Huntington.By June 1881, construction plans were authorized and in mid-July the building contract was signed, with work set to begin in August.