<Table> <Tr> <Td> </Td> <Td> In countries where one drives on the left, replace "right turn" with "left turn" and vice versa . For left turn on red in right - side - drive countries, and right turn on red in left - side - drive countries, see #Left turn on red in countries with right hand traffic (turning across traffic) below . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> In countries where one drives on the left, replace "right turn" with "left turn" and vice versa . For left turn on red in right - side - drive countries, and right turn on red in left - side - drive countries, see #Left turn on red in countries with right hand traffic (turning across traffic) below . </Td> </Tr> <P> A turn on red is a principle of law permitting vehicles at a traffic light showing a red signal to turn into the direction of traffic nearer to them (almost always after a complete stop) when the way is clear, without having to wait for a green signal . It is intended to allow traffic to resume moving, with minimal risk provided that proper caution is observed . </P> <P> It is commonly known as a right turn on red (or simply right on red) in countries that drive on the right side of the road, or a left turn on red in countries which drive on the left side of the road . </P>

Why can you turn right on red but not left
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