Calgary <-> Toronto 100% Canadian Fibre Resiliency on failover

Regarding TransCanada:

I recently read they are only just beginning to experiment with fibre optic
monitoring systems for leak detection on short stretches of feeder pipeline
in Alberta. The original plans for the RoW on the Northern Courier project
(set to finish construction this year) included provisions for a
communications conduit, but that was later scrapped.

Leak detection:

I doubt there's anything pipeline-related that spans the geography in