Ontario will allow low speed vehicles on public roads as long as they have certain safety features. According to a press release from the Ontario Ministry of Transportation

Low-speed electric vehicles can be driven safely on public roads as long
as they include a number of additional safety requirements and follow
appropriate road restrictions, according to a National Research Council study
released today by the Ontario government.

The list of additional safety requirements based on the National Research Council study includes:

• Windshield wipers
• Windshield defogger and heating system
• Doors
• Three-point seat belts
• Slow-moving vehicle identification emblem
• Seat belt anchors
• Brakes on all four wheels
• Federal standards for occupant protections
• Safety glass on all windows
• Only permitted on roads with a speed limit of 50 km/h or less
• Infants and children may not be permitted to ride in an LSV

The complete report from the National Research Council should be available here (pdf) but the link was not working as of this posting.