Great Junction Street is a street in Leith, on the northern outskirts of Edinburgh, Scotland. It runs south east to north west following approximately the southwestmost line of the old city walls around Leith. While some sections existed c.1800, it was not planned as a continuous road, reaching all the way to Ferry Road from the foot of Leith Walk, until 1860. Its main function was to serve as a bypass to the narrow and busy medieval streets of Old Leith to the north east. It was aimed at commercial traffic rather than pedestrian use, and arguably that can still be felt today. The trams of the early 20th century were discontinued in 1956. There were plans to reinstate a modern tram link, connecting Edinburgh Airport and Newhaven. This was not to run along Great Junction street as it formerly did, but there was to be a tram stop at Constitution Street at its south-eastern end.