<P> In the late 1960s, the UK Department for Transport considered switching to RHT, but declared it unsafe and too costly for such a built - up nation . Road building standards, for motorways in particular, allow asymmetrically designed road junctions, where merge and diverge lanes differ in length . </P> <P> China adopted RHT in 1946 . Taiwan changed to driving on the right at the same time . Hong Kong and Macau continue to be LHT . </P> <P> Both North Korea and South Korea switched to RHT in September 1945 after liberation from Japan which was defeated and surrendered by the Allies . </P> <P> Myanmar switched to RHT in 1970 . </P>

When did canada switch to left hand drive