There's also the convention of inside and outside lanes on multilane roads. In each the UK, Ireland, and the United States, the inside lane is the leftmost lan

There's also the convention of inside and outside lanes on multilane roads. In each the UK, Ireland, and the United States, the inside lane is the leftmost lane. However, due to driving on the opposite sides of the road, this means that while the inside lane in the US is closest to the central median, in the UK & Ireland, the inside lane is closet to the curb. Source: https://dictionary.cambridge.org/dictionary/english/inside-lane https://dictionary.cambridge.org/dictionary/english/inside-l...