Re: Obvious solution
re: trains hitting a roo...
The train might power on thru it, but hitting one in a car is a very different story... a big male roo can weigh 100kg, and that's enough to make it more serious than turning on the wipers (even more so if they're moving at 30mph at the time).
Wikipedia says "small vehicles may be destroyed, larger vehicles may suffer engine damage".
There used to be stories of roos travelling at high speed "crossing the road" and happening to land on top of a car and caving in the roof. A modern car roof should be able to withstand that I'd guess, but I'm guessing a collision with the windscreen would still be serious enough.