1855 T. Carlyle Let. 7 Aug. in E. FitzGerald (1889) I. 235 The end of my shrieking, mad, (and to me quite horrible) rail operations.
1919 R. C. Hargreaves in F. A. Cleveland xvii. 370 Highways transport is complementary to rail operations.
2007 (Nexis) 25 Apr. There were no firm plans in place to resume rail operations.