Transport Canada in the context of "Minister of Transport (Canada)"

Operation Yellow Ribbon (French: Opération ruban jaune) was commenced by Canada to handle the diversion of civilian airline flights in response to the September 11 attacks in 2001 in the United States. Canada's goal was to ensure that potentially destructive air traffic be removed from United States airspace as quickly as possible, and away from potential U.S. targets, and to instead place these aircraft on the ground in Canada, at military and civilian airports primarily in the Canadian provinces of Nova Scotia, Newfoundland, and British Columbia. Yukon, New Brunswick, Alberta, Manitoba, Ontario, the Northwest Territories, and Quebec also took in aircraft so that any malicious or destructive potential threats could be better contained and neutralized. None of the aircraft proved to be a threat, and Canada hosted thousands of passengers who were stranded until U.S. airspace was reopened.

Canada commenced the operation after the U.S. Federal Aviation Administration (FAA), implementing Security Control of Air Traffic and Air Navigation Aids (SCATANA), grounded all aircraft across the United States, an unprecedented action. The FAA then worked with Transport Canada to reroute incoming international flights to airports in Canada.

The St. Lawrence Seaway (French: la Voie Maritime du Saint-Laurent) is a system of rivers, locks, canals and channels in Eastern Canada and the Northern United States that permits oceangoing vessels to travel from the Atlantic Ocean to the Great Lakes of North America, as far inland as Duluth, Minnesota, at the western end of Lake Superior. The seaway is named for the St. Lawrence River, which flows straight from Lake Ontario to the Atlantic Gulf of St. Lawrence. Legally, the seaway extends from Montreal, Quebec, to Lake Erie, and includes the Welland Canal. Ships from the Atlantic Ocean are able to reach ports in all five of the Great Lakes via the Great Lakes Waterway.

The St. Lawrence River portion of the seaway is not a continuous waterway; rather, it consists of several stretches of navigable channels within the river, a number of locks, and canals along the banks of the St. Lawrence River to bypass several rapids and dams. A number of the locks are managed by the St. Lawrence Seaway Management Corporation in Canada, and others in the United States by the Great Lakes St. Lawrence Seaway Development Corporation; the two bodies together advertise the seaway as part of "Highway H₂O". The section of the river from Montreal to the Atlantic Ocean is under Canadian jurisdiction, regulated by the offices of Transport Canada in the Port of Quebec.

Gander International Airport (IATA: YQX, ICAO: CYQX) is located in Gander, Newfoundland and Labrador, Canada, and is operated by the Gander International Airport Authority. Canadian Forces Base Gander shares the airfield but is a separate entity from the airport. The airport is sometimes referred to as the "Crossroads of the World", and is classified as an international airport by Transport Canada.

The St. Lawrence Seaway Management Corporation (SLSMC, French: Corporation de Gestion de la Voie Maritime du Saint-Laurent, CGVMSL), formerly known as the St. Lawrence Seaway Authority, is a nonprofit Canadian Corporation established in 1998 by the government of Canada, in partnership with Seaway users and other stakeholders, in order to ensure safe and efficient marine traffic. As dictated by the 1998 Canada Marine Act, the Corporation manages and operates the assets of the Crown entrusted to St. Lawrence Seaway, which consists of lands, Canals and 13 of the 15 locks between Montreal and Lake Erie, for the government under a long-term agreement with Transport Canada".

The corporation's activities include traffic management, navigation aids, safety, environmental programs, trade development, assets maintenance and renewal. The St. Lawrence Seaway Management Corporation caters to the needs of shipping interests, ports, marine agencies, and provincial and state jurisdictions.