There will be road closures in the Crawford Park area on August 11th because of the annual Verdun Triathlon. Lasalle Boulevard will be closed from the Natatorium to Fayolle Street, and Fayolle will be closed at least up to Truman. Champlain Boulevard should be open for driving to church on Sunday. Bus routes may be disrupted. Check on stm.info.
Find out more about the event here.