Grand Trunk Corporation, the subsidiary holding company for the Canadian National Railway's properties in the United StatesGrand Trunk Railway, a railway system that operated in the Canadian provinces of Quebec and Ontario, and in the American states of Connecticut, Maine, Michigan, Massachusetts, New Hampshire, and Vermont, a precursor of today's Canadian National RailwaysGrand Trunk Pacific Railway, a historical Canadian transcontinental railway running from Winnipeg to the Pacific coastGrand Trunk Western Railroad, an American subsidiary of the Canadian National RailwayGrand Trunk Road, one of Asia's oldest and longest major roads in the Indian sub-continent reference