It's really cool to see the good old Lotus tracks rendered with such quality and smoothness. Good job!
I think adding a little bit of fog (air perspective) could add to the 'realism' here. I noticed that in the night race in Lotus 2, the draw distance for billboards, street lamps, and cars is shorter than in the original. Also, my generic USB pad doesn't work. It works in WinUAE.
As an extra feature, would you consider adding a fancy 'pattern view' along the road? It fits there perfectly when there are four lanes. :)
Something like this maybe? 