This is the Nether Highway map.
The legend is on the map describing the colours of the lines.
Red is normal, horse safe lines, orange is dangerous lines.
The rest of the colours are Main Lines.
Black and grey lines are the coordinates lines to help find where you are.
This is a link to the Nether Subforums, credit to Count Asamu for this.
Up to date: 6/29/15.
