The Public transport map is one of additional maps layers, you can find on free-map.org. This layer is one of map from Thunderforest Maps, which shows public transportation in great detail.
Created by Andy Allan and hosted on his ThunderForest tile hosting service, this map style shows public transport lanes like railways, buses and trams worldwide. It is one of several transport themed renderings and map displays using OpenStreetMap data.
You can activate this map on expanding the menu in the upper right corner of the map.
