[ExI] Freeway interchange suitable for AI cars

[BillK]

Drivers Stumped By This: 5 Layers Of Traffic, 37 Metres Above Ground

<http://www.ndtv.com/world-news/drivers-stumped-by-this-5-layers-of-traffic-37-metres-above-ground-1708890>

I'll take the long way round.  :)

BillK