August 1920, Vol. 13, No. 8 Railway Signal Engineer (Chicago IL) Page 347, col. 1

The news of the month

The amalgamation of the Grand Trunk and the Grand Trunk Pacific with the Canadian National Railways will involve considerable changes in interlocking plants and signaling where two roads are in a position to use the same station.

Railways: C.N.Rys., G.T.P.Ry., G.T.Ry.