Originally Posted by
Adam Smith
What married R? The only segment [MENTION=9834]llbean[/MENTION] gave was LAX-YYZ

I agree with that statement.
But searching, as an example of something I've flown in the last 6 months, SFO-LAX-YYZ might not show the same R space as LAX-YYZ.
I've also seen a few anomalies with AC R space in the past week. Not enough to draw any conclusions, but enough to say "make sure you're searching the individual segment".