| March 1903, No. 61 | The Railway and Shipping World (Toronto) | Page 89, col. 2 |
Grand Trunk Ry. betterments, etc.
...
Port Huron to Chicago double track.—We were recently advised that 172 miles of the double track have been completed between Port Huron and Chicago, and train were being operated over it. During 1902 the second track was laid 79.43 miles. (Dec., 1902, pg. 407.)
Railways: G.T.W.Rd.