Left- and right-hand traffic
Directionality of traffic flow by jurisdiction
Left- and right-hand traffic
Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side or to the right side of the road, respectively. They are fundamental to traffic flow, and are sometimes called a "rule of the road". The terms right- and left-hand "drive" refer to the position of the driver and the steering wheel in the vehicle and are, in automobiles, the reverse of the terms right- and left-hand "traffic". The rule also includes where on the road a vehicle is to be driven, if there is room for more than one vehicle in one direction, and the side on which the vehicle in the rear overtakes the one in the front. For example, a driver in an LHT country would typically overtake on the right of the vehicle being overtaken. RHT is used in 165 countries and territories, while 75 countries use LHT, which account for about a sixth of the world's land area, a quarter of its roads, and about a third of its population. While many of the countries using LHT...
Read on Wikipedia · Image Benjamin D. Esham (bdesham), Public domain
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