text: Thanks for the note! Using Esri imagery it's pretty clear the road connections don't exist. I've removed them in edit https://www.openstreetmap.org/changeset/84086741 - should show up on main map in a couple of days, I think.
  
  Geobase (a government map of road names) indicates that two parts Hillside Road on either end are real, though it looks like the north end is more of a short drive... I've left it as two separate parts. Canada Post also finds a couple of addresses on Hillside Road - we can't use that as a source to import so I haven't adjusted the addresses, but at least it doesn't deny the street exists.