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Blind spot (automobile)


A blind spot in a vehicle is an area around the vehicle that cannot be directly observed by the driver while at the controls, under existing circumstances. Blind spots exist in a wide range of vehicles: aircraft, cars, motorboats, sailboats, and trucks. Other types of transport have no blind spots at all, such as bicycles, horses, and motorcycles. Proper adjustment of mirrors and use of other technical solutions can eliminate or alleviate vehicle blind spots.

In transport, driver visibility is the maximum distance at which the driver of a vehicle can see and identify prominent objects around the vehicle. Visibility is primarily determined by weather conditions (see visibility) and by a vehicle's design. The parts of a vehicle that influence visibility include the windshield, the dashboard and the pillars. Good driver visibility is essential to safe road traffic.

Blind spots may occur in the front of the driver when the A-pillar (also called the windshield pillar), side-view mirror, or interior rear-view mirror block a driver's view of the road. Behind the driver, cargo, headrests, and additional pillars may reduce visibility.

If side-view mirrors are properly adjusted in a car, then there are no blind spots on the sides. Such an arrangement can greatly reduce the probability of side swipes and other accidents, particularly during lane changes. This method was first revealed by George Platzer in a 1995 paper presented to the Society of Automotive Engineers. The method is frequently overlooked in driver's education classes and takes some getting used to. Calculated elimination of blind spots by properly trained drivers is inexpensive and obviates the need for costly technological solutions to that problem, provided drivers take the time to set up and use their mirrors effectively. The arrangement — pointing the side-view mirrors substantially outboard in a fixed mechanical formula — is relatively simple to achieve, but it takes some knowledgeable effort and getting used to. It is reputed to be a lifesaver.


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Wikipedia

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