|Headquarters||Montreal, Quebec, Canada|
|Dates of operation||1971–|
|Track gauge||4 ft 8+1⁄2 in (1,435 mm) standard gauge|
The Grand Trunk Corporation is the subsidiary holding company for the Canadian National Railway's properties in the United States. It is named for CN subsidiary railroad Grand Trunk Western Railroad. The Association of American Railroads has considered it to be a Class I railroad since fiscal year 2002.
GTC was incorporated under Delaware General Corporation Law on September 21, 1970 as Grand Trunk Industries, Inc., and renamed Grand Trunk Corporation on November 18, 1970. It acquired control of CN's U.S. properties; Grand Trunk Western, Central Vermont Railway and the Duluth, Winnipeg and Pacific Railway in December 1971, and has since acquired other companies, mostly through acquisitions of other holding companies: Illinois Central Railroad (IC) in 1999, Wisconsin Central Transportation Corporation (WC) in 2001, Great Lakes Transportation in 2004, and Elgin, Joliet and Eastern Railway in 2008.
- "Class I Railroad Statistics" (PDF). Association of American Railroads. May 14, 2003. Archived from the original (PDF) on September 16, 2003. Retrieved June 3, 2017.
- Moody's Transportation Manual, 1992, pp. 233, 237
- Railroad Retirement Board, Employer Status Determination: Central Vermont Railway, Inc. Archived 2009-01-17 at the Wayback Machine, 1995
- STB Finance Docket No. 34296, January 22, 2003
- STB Finance Docket No. 35142 Archived 2012-03-09 at the Wayback Machine, July 25, 2008
- Railroad Retirement Board, Employer Status Determination: Grand Trunk Western Railroad, Inc. Archived 2009-01-17 at the Wayback Machine, November 19, 2008
- Hofsommer, Don L. (1995). Grand Trunk Corporation, Canadian National Railways in the United States, 1971-1992.