加拿大国家电视塔是由加拿大国家铁路公司（Canadian National Railways）建设的，于1975年完工，全高553.33米。在此后的34年中，一直是世界上最高的建筑，直到2009年被迪拜塔和广州新电视塔超越。
权威例句
1.
Canadian teams are working to reorganise Bangladesh Rail, to prune its staff and minor routes and improve financial and accounting systems, in the way that CanadianNationalRailways was restructured.
ECONOMIST: Canada
2.
In 1921, CanadianNationalRailways (nyse: CNI - news - people ) bought the operation and the following year, opened the Jasper Park Lodge with a guest capacity of 65 and a dining room that held 200.
FORBES: Rocky Mountain High, Canadian-Style
3.
The two main Canadianrailways, CanadianNational and Canadian Pacific, have run coast to coast for about 90 years.