I have been on that road as well as other members of a Facebook cycling page and also Google street view has it. See the signs on the right.
https://www.google.ca/maps/@43.6573479,-79.6239822,3a,65y,196.56h,86.75t/data=!3m6!1e1!3m4!1sYCqYXFb6SCnViqM5f3_uxg!2e0!7i16384!8i8192?hl=en