This is an invisible Yarn 1 Way road. Traffic is activated in Surveyor and not in Driver, a transparent purple line is visible along the center of the road; this is not visible in Driver. To activate traffic in Driver this road shall be connected to a short section of (Yarn 2 Way Road 15 mph Low Traffic) placed upstream and/or downstream. Invisible 2 Way roads be can inserted before this 1 Way road which can be connected to any 2 Way road to make a loop as follow : Connect the 1 Way to the 2 Way road node, draw the loop, and connect the 1 Way node between the two nodes of the 2 Way road.
Permission granted to create variant.
Original created by Madeline Usher