Originally Posted by
CB HI
By definition, a lane is too narrow to safely share if that lane is less than 14 feet wide.
Please cite the source that defines this.
At least here in NY, there is no statute defining what is and is not sharable. In actual practice, my city has sharrows (which define lane sharing) on lanes as narrow as 11 feet.
Besides, the OP is in an different country--Canada.