Here goes the first try using the .tgc. Center line is not 'dashed'. Here in the states, the outer lines are white, The center lines (double and not dashed for 'no passing; and, are yellow). Otherwise, for passing, the center yellow is dashed for passing.
I wanted to go for the black pavement; when did so, the road turned yellow.
Hey, no complaints here; having fun with this. If you can steer me before I go into a several week journey maybe you can shorten that ...see image.