OSRM appears to disagree with how https://www.cyclosm.org/#map=18/43.33567/-79.81291/cyclosm is coloured, according to https://github.com/Project-OSRM/osrm-backend/issues/4943

What’s the proper assumption for what https://wiki.openstreetmap.org/wiki/Tag:oneway=yes + https://wiki.openstreetmap.org/wiki/Tag:cycleway=lane means?

https://overpass-turbo.eu/s/256d

https://overpass-turbo.eu query

[out:json][timeout:25]
;
area(3607034889)->.searchArea;

way
  https://wiki.openstreetmap.org/wiki/Tag:[highway][oneway=yes][cycleway=lane]
  (area.searchArea);

(._;>;);
out;