Estimated time to cross the structure

World Cycling Championships – Major traffic impacts

Bonaventure Expy. Closed toward Montréal, between 6:00 a.m. and 5:00 p.m. from September 19 to 22

In progress Entrave 5 hindrances
Bonaventure Sector
Toward downtown:
Toward Samuel De Champlain Bridge and Hwy. 15:

Planned hindrances

5
Sun
20 Sep
5
Mon
21 Sep
5
Tue
22 Sep
4
Wed
23 Sep
4
Thu
24 Sep
4
Fri
25 Sep
4
Sat
26 Sep
4
Sun
27 Sep
4
Mon
28 Sep
4
Tue
29 Sep
4
Wed
30 Sep
4
Thu
01 Oct
4
Fri
02 Oct
4
Sat
03 Oct
Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Complete closure
From September 19, 6:00 am to September 22, 5:00 pm Toward downtown - every day between 6:00 a.m. and 5:00 p.m. See detour map

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Complete closure
From September 19, 6:00 am to September 22, 5:00 pm Toward downtown - every day between 6:00 a.m. and 5:00 p.m. See detour map

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Complete closure
From September 19, 6:00 am to September 22, 5:00 pm Toward downtown - every day between 6:00 a.m. and 5:00 p.m. See detour map

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Closure
From November 24, 2025, 10:01 am to December 31, 2026, 11:59 pm Complete of Exit 3 of the Expy. toward Samuel De Champlain Bridge See detour map

1 lane open
From March 3, 9:33 am to December 31, 11:59 pm Gaétan Laberge blvd. - 1 lane open in each direction More info

2 lanes open
From March 3, 9:37 am to December 31, 11:59 pm Lanes sector between Victoria Bridge and Clément Bridge - 2 out of 3 lanes open toward Samuel De Champlain Bridge More info

1 lane open
From March 16, 1:00 am to November 30, 11:59 pm Clément Bridge sector - 1 lane open toward downtown, 2 lanes open toward Samuel De Champlain Bridge More info

Work advisories

Bonaventure Expy | Long-term closure of the Parc d'entreprises de la Pointe-Saint-Charles to traffic …
Bonaventure Expy. | Work mobilization in the Bonaventure sector
UPDATE - Bonaventure Expy. | Day closures of the Expy., toward downtown, from September 19 to 22 (World…
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Bonaventure sector

Bonaventure sector

As a main gateway to the city, this sector has a vital economic importance for Montreal. It includes the federal section of the Bonaventure Expressway as well as the Clément Bridge. The île des Sœurs bypass bridge is disconnected from the road network since October 2018.

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