4th Line in Guelph/Eramosa, Ontario

4th Line in Guelph/Eramosa is a two-lane, compacted minor road. It runs in a southeast-northwest direction and crosses Wellington Road 22, Sideroad 20 and Wellington Road 124 and ends at Fourth Line, while the other end is a cul-de-sac. 4th Line also exists in Erin, Centre Wellington and Mapleton.