Professional Driver's Handbook

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Visibility and safety

Drivers of large trucks and buses generally have a better view of the road, traffic ahead and to the sides, than the passenger car driver. The seated height in most instances is higher and windshields are larger.

Outside rear-view mirrors reflect a large area, and if properly mounted and adjusted, give the driver a clear view of the roadway behind, except for the blind area immediately behind the vehicle.

Operators of Class 1, 2 and 3 vehicles, school buses and vans must depend on their mirrors to a far greater extent than drivers of passenger cars in order to observe traffic conditions behind them while manoeuvring. It is vital that these be maintained in good condition at all times. Some drivers use a convex mirror which gives them a much better and clearer view of traffic beside and behind than the ordinary mirror. This is a good practice and you should learn to use the convex mirror whenever manoeuvring in confined spaces, or where there is a chance of other traffic or pedestrians getting in the way. Vehicles transporting wide loads must be equipped with mirrors which extend beyond the extreme portion of the load to give clear visibility to the rear at all times.


Rev: 2017