Windsor-Quebec corridor: route guide

The corridor follows the north shore of Lake Erie and Lake Ontario, then the St. Lawrence River east to Quebec City. It links Windsor, London, Toronto, Kingston, Montreal and Quebec City, with Niagara Falls and Ottawa as short detours off the main line.

Most of the run is on Ontario Highway 401, one of the busiest highways in North America, with Highway 20 and Autoroute 40 taking over east of the Ontario-Quebec border. The route stays close to the US border for much of its length, so cross-border detours via Detroit, Buffalo or Plattsburgh are easy.

Coordinates for the corridor midpoint are approximate: 44.3400, -77.0800.

Distances below are road distances between city centres and are approximate. Times assume free-flowing traffic; Toronto and Montreal add an hour or more at rush hour.

Late May to early October is the comfortable window. Summer brings the warmest weather and the biggest crowds at Niagara, Montreal and Quebec City. September and early October give cooler days, thinner queues and the start of fall colour in Ontario and Quebec.

Winter travel is possible but adds snow, ice and delays, especially on the 401 between London and Kingston. Spring thaw can leave rural roads soft and muddy. Check provincial road conditions before any winter run.

Book city-centre hotels in Toronto, Montreal and Quebec City if you want to walk to sights; parking is expensive and often limited. Kingston, London and Niagara Falls have cheaper options and are good overnight breaks on a long drive.

For a slower trip, small towns along Lake Erie and the St. Lawrence offer motels and B&Bs within walking distance of the water. Campgrounds and provincial parks sit along the route for summer travellers. Check cancellation policies if you are driving in winter.

You need a valid driving licence, insurance and registration for the vehicle. International visitors should check whether their licence is accepted in Ontario and Quebec, and carry a translation if it is not in English or French. Rental cars are easiest to pick up in Toronto or Montreal and drop off at the other end, though one-way fees apply.

Fuel is sold in litres and speed limits are in km/h. An 80 km/h rural limit equals about 50 mph. The Ontario Highway 407 near Toronto is tolled and camera-enforced, so plan a route that avoids it if you do not want the charge.

Cell coverage is strong along the corridor, with occasional gaps in rural areas. Provincial police can be reached on *OPP in Ontario and *4141 in Quebec; 911 works throughout. Watch for deer on two-lane rural roads, especially at dawn and dusk.