Canada Transportation Act 1996 (Loi sur les Transports au Canada) and Railway Interswitching Regulations 1987 (Règlement sur l’Interconnexion du Trafic Ferroviaire)
Canada Transportation Act 1996 (as amended) - Loi sur les Transports au Canada (English and French translation within a single document) - Part III of the Act deals with railway transportation. It contains regulations on running rights, joint trackage use, and interswitching. All these concepts refer to a shared use of railway infrastructure.