| January 1899 | The Railway and Shipping World (Toronto) | Page 8, col. 3 |
Grand Trunk improvements, &c.
...
Interlocking and derailing apparatus has been put in at the G.T.R. &C.P.R. crossings at St. Johns & St. Constant, Que., & the appliances have been inspected and approved for the Dept. of Railways.