- Length: 573 kilometres ( miles)
- Capacity: per day
- Status: Operating
- The TQM Pipeline System is a 573 km natural gas pipeline network in the Province of Quebec between Saint-Lazare, located west of Montreal, and Saint-Nicolas, located on the South Shore of Quebec City, and between Lachenaie, located East of Montreal, and East Hereford on the New Hampshire border.
- It connects to the Portland Natural Gas Transmission System PNGTS on the US-Canadian border