Hey hemp thanks much for the response. I just found an old thread titled Tanasbourne with a couple of good looking options. Maybe I should have searched more before posting.
Walker: Amberglen to 158th. Actually even more so, W of 185th. I turn off @Amberglen and head N.
I think you are right about the curves being more dangerous than disappearing shoulder though. And the idea of riding on Cornell seems really sketchy, but maybe more visible w/all the shopping stuff in there.