Route 52 - 2002 was released on:

USA: 25 October 2002 (premiere)

Theres 3 U, S and A.

A state highway is a road that is either numbered by its state with a number that is lower than U. S. national highway routes, or a road that is a U. S. national highway route, but is maintained by the state in which it is located.

52

to get to veilstone u just have to travel through route 215, since there are psyduck in the way, u take the available route, which is to the right, that whole rainy route will take u to veilstone