From downtown (30 km)
- Sherbrooke Street East
- Papineau Street – Jacques-Cartier Bridge
- Highway 132 East toward Sorel
- Highway 20 East toward Québec City, Exit 98
- Highway 30 East toward Sorel, Exit 128
- Follow the road signs for Institut de recherche d'Hydro-Québec (IRHQ)

From Dorval (50 km)
- Highway 20 East toward Montréal, downtown, Exit 68S
- Highway 15 South, Champlain Bridge
- Highway 10 East toward Sherbrooke, Exit 11
- Highway 30 East toward Sorel, Exit 128
- Follow the road signs for Institut de recherche d'HydroQuébec (IRHQ)

From Mirabel (80 km)
- Highway 15 South toward Montréal
- Highway 40 East toward Québec City, Exit 80-S
- Highway 25 South, Louis-H.-Lafontaine Tunnel
- Highway 20 East toward Québec City,Exit 98
- Highway 30 East toward Sorel, Exit 128
- Follow the road signs for Institut de recherche d'Hydro-Québec (IRHQ)