-concidering it is in the middle of a city there are basialy no wild animals -this isnt more dangerous to the remaining few than any 4 lane Road -there are city maintenance workers who take care of the trees -during realy bad storms there are also branches on the streets
vs
1 billion different advantages
The actuall biggest problem would be leaves on the rails in autumn.
It night be refferencing full Metal Alchemist.