Ontario Class C Driver's Licence (Commercial) case studies
Ontario Class C Bus · Put your knowledge to work in context.
This page is an independent study resource for people preparing for Ontario's Class C commercial driver's licence knowledge test. It is not affiliated with, endorsed by, or operated by the Ministry of Transportation of Ontario, ServiceOntario, or DriveTest, and it does not reproduce any official question bank. The material here is written from scratch to help you practise the four areas a Class C candidate is expected to know: rules of the road and driving law; safe driving practices and hazard perception; commercial vehicle inspection, air brakes and vehicle systems; and cargo securement, hours of service, load limits and documentation. Each of those four domains carries equal weight in the practice set, so no single topic can be skipped without costing you marks. The Ontario Class C Bus case studies are 5 cases and about 2,810 words.
1Late-Night Charter at an Unguarded Railway Crossing
You are driving a 47-passenger Class C coach from Toronto to a wedding near Huntsville. There are 38 passengers and 22 pieces of luggage aboard.
529 words, about 3 min2Brake Fade on a 7% Descent
You are driving a 40-foot coach with 44 passengers down a signed 7% grade that runs for 6 km on a two-lane highway in northern Ontario. The road is wet and the outside temperature is 4°C.
605 words, about 3 min3Pre-Trip Inspection: Air Leak at the Rear Axle
It is 06:10 on a cold February morning, and you are assigned a 54-passenger coach for a 07:00 charter. The bus sat outside overnight at -8°C.
545 words, about 3 min4Low Air Pressure at Highway Speed
You are driving a 45-passenger coach on Highway 401 near Kingston at 100 km/h with 30 passengers aboard. The bus is in the right lane.
545 words, about 3 min5Luggage, Axle Weights, and the Hours-of-Service Clock
You are the driver of a 56-passenger coach on a charter from Ottawa to Niagara Falls, about 9 hours including breaks. At 19:00 you have driven 10.5 hours, been on duty 12.5 hours, and have had one 45-minute break.
586 words, about 3 min