Ontario monorail lines currently under construction. Active extensions, new monorail routes and network expansion projects.
Ontario monorail lines currently under active construction: new systems in cities or airports without an existing monorail, extensions to serve new terminals or development areas and upgrades to existing routes. Monorail construction is often chosen for elevated urban transit where surface space is limited and full metro tunnelling is cost-prohibitive.
Ontario currently has 171 railway segments under construction including 11 railway, 41 metro and 119 light rail.