- Road traffic
- Active mobility
- Major projects
- The Corporation
- © 2023 The Jacques Cartier and Champlain Bridges Incorporated
- Site Map
The Melocheville Tunnel passes directly under the St. Lawrence Seaway, so you may notice some water droplets fall as you travel through. However, note that this is normal and that the tunnel is safe.
Construction of the tunnel began in 1956 and finished in 1957.