Ottawa airplane crash probe: This is exactly what investigators are looking for and why, and where. Gary Dimmock explains.

Greater Toronto commuters are likely bracing for traffic and transit congestion to worsen over the coming months as a number of major employers get ready to increase in-office days.Even before return-to-office mandates take effect, experts say vehicle traffic in the city is at a tipping point, while delays, construction and public safety concerns plague the public transit system.