Mexican Operating Rules - Trains Magazine

Overmod

cv_acr

The Canadian Uniform Code of Operating Rules (UCOR) of 1962 lists New York Central and Chessapeake and Ohio as railroads governed by the rulebook. This is probably just for those lines in southern Ontario. On the other hand, the Canadian 1962 UCOR also says it applies to Central Vermont and Duluth, Winnipeg, & Pacific.

That's an interesting question.  What governed the CP operation across to St. John via Megantic in the portion running across Maine?

To bring this current in context: does the CN operation over the ex-IC use CROR?  And how, if so, is this harmonized with operations through Aulon in Memphis (which include CSX between the ex-L&N and Broadway) that I suspect are GCOR.

The CP line mentioned was a portion of their complete line between Montreal, QC and Saint John, NB. I'm 99% sure it would have used the UCOR rules.

CN's entry in the "list of governed railways" (in 1962 when the book was published) says "including lines in the US" (there's a spot where CN drops into Minnesota) and specifically lists subsidiaries Central Vermont and Duluth, Winnipeg, and Pacific, but interestingly NOT Grand Trunk Western.

I'm not sure if modern GTW and other associated US lines actually use CROR or an American rulebook - and with all the mergers of Illinois Central, Wisconsin Central, Elgin, Joliet & Eastern there's probably some US rules in effect on most of those lines. (Particularly if signal rules and indications on those lines weren't identical to Canadian practice...)

Also interesting that the 1962 UCOR book does NOT mention Great Northern which operated into Vancouver, BC from Washington, and also in Winnipeg, MB (later as Burlington Northern Manitoba lines - even having their own assigned power with BNML reporting marks). BNSF still operates into these areas today.

The C&O and NYC had much more extensive and "stand alone" (sort of, they did support some overhead traffic between Detroit, MI and Buffalo, NY) systems in Ontario, operating at least on some level using the Canadian rule book. Part of the old C&O still exists today as an isolated CSX operation in Sarnia, ON - it's basically a shortline operated by a Class I. NYC also ran up into Montreal to connect with CN and CP which is also still operated by CSX. Most of the NYC system in Ontario is gone now though, with only pieces here and there forming parts of CN's network.