Name: |
Melocheville Tunnel |
Type: |
- reinforced concrete rectangular caissons
supported directly on rock |
Location: |
The Melocheville Tunnel connects the municipalities of Beauharnois and Melocheville, carrying Highway 132 under the St. Lawrence Seaway near Lock 3. |
Description: |
The tunnel is 227.6 m (746.6 pi.) long. It consists of 2 concrete tubes carrying 2 lanes of traffic inside.
The tunnel comprises of 18 concrete caissons. There is 1 lane of traffic in each direction and a sidewalk on the north side. Three ventilation shafts (1 air outlet and 2 air intake shafts) ventilate the tunnel. The 2 traffic lanes are separated by a central support structure forming the first ventilation shaft (air outlet). The second ventilation shaft (air intake) is located on the south side of the caissons, while the third is on the north side under the sidewalk. |
History: |
Construction of the tunnel began in 1956 and was completed in 1957. It was built by The St. Lawrence Seaway Authority at the time of construction of the shipping locks. |
Restrictions: |
Special measures apply to the passage of vehicles carrying dangerous materials. The tunnel is posted with a 4.2 m (13.78 ft.) clearance. |
Toll Rates: |
N/A |
Traffic
Statistics: |
Approximately 4 million vehicles travel through the tunnel each year. |
Owner: |
Transport Canada |
| Operator: |
The Jacques Cartier and
Champlain Bridges Incorporated |
| Contact: |
Glen Carlin
General Manager
The Jacques Cartier and
Champlain Bridges Incorparated
1111 St-Charles West Street
West Tower, Room 600
Longueuil, Quebec
J4K 5G4
Telephone: (450) 651-8771
E-mail: gcarlin@pjcci.ca |
Link to
Web Site:
|
The Jacques Cartier and
Champlain Bridges Incorporated
(http://www.jccbi.ca/English
/JCCBI/DEFAULT.HTM)
|
