This picture of the Brill model 55 railbus I’ve likely posted before but in case I haven’t, here we go:
The photo caption shows this to be in Stellarton, NS. The same railbus was used on the Tignish subdivision on the Island and, from what I understand, was a pretty decent success.
This link is to a shot of one of CN’s Evans-built road-rail railbuses:
I’ve seen some pictures of a similar one taken in Summerside but few other references to these cars on the Island or anywhere else outside of Quebec.