CN 4115 & CN 4793 shove CN 500 into the Port of Montreal, with a caboose at the other end of the train.

CN 4115 lets out some smoke as CN 500 crosses Bridge Street, nearly back at Pointe St-Charles Yard after a run to the port.

CN 306 at Saint Hilaire, nearing their next crew change point at Edmundston, New Brunswick.

CN 731 at Saint Hilaire, after a crew change at Edmundston, New Brunswick.

CN 731 at St Leonard, New Brunswick.

CN 731 rounds the bend at Sisson Ridge, New Brunswick.

CN 121 at Grand Falls, New Brunswick.

CN 121 at Sisson Ridge, New Brunswick.

Canadian National, CN, GE's 9-44CWL 2550- ES44dc 2302, with southbound 112 on the Bala Sub at, Brignall, Parry Sound, Ontario. September 12, 2011. Jack D Kuiphoff © photo

CN 120 has a trio of GEs up front as it passes well cars stored on the Transfer Track.

Clean CN 3317 brings up the rear of loaded potash train CN B730.

Loaded potash train CN B730 is about to tie down on the Freight Track. Trailing is SD70ACe CN 8102, with CN 8103 mid-train. CN has only four of this model on its roster.

CN 507 at Folly Lake, Nova Scotia.

CN 3333 at the west end of the siding at Belmont, Nova Scotia, where it will meet westbound train 507.

CN 3333 is eastbound at Folly Lake, Nova Scotia.