Toronto : Règlement no 629, art. (c) — Chapter 629 Property Standards

Handrails shall be continuously graspable along their entire length and shall have:

• [1] A circular cross section with an outside diameter not less than 30 millimetres and not more than 43 millimetres;
• or [2] Any non-circular shape with a graspable portion that has a perimeter not less than 100 millimetres and not more than 125 millimetres and whose largest cross-sectional dimension is not more than 45 millimetres.