According to its wikipedia article this railway operated in both Canada and the United States.
Grand Trunk Railway was created in 1852.
Grand Trunk Railway ended in 1923.
Grand Trunk Western Railway was created in 1900.
Grand Trunk Western Railway ended in 1928.
Grand Trunk Railway of Michigan ended in 1868.
Grand Trunk Railway of Michigan was created in 1867.
Grand Trunk Junction Railway was created in 1880.
Grand Trunk Junction Railway ended in 1901.
Grand Trunk Railway of Northern Indiana was created in 1868.
Grand Trunk Railway of Northern Indiana ended in 1868.
North Western Grand Trunk Railway was created in 1879.
North Western Grand Trunk Railway ended in 1880.