There is one control-point in the middle and two trains that's pass by the sides of the control-point like in "Well".
just place the BSP in to: program files/steam/steamapps/'your-account'/team fortress 2/ tf/maps.
Pros: The buildings are cleanly done, there is lots of liitle background detail, it suits the setting perfectly.
Cons: It's a square box. BLU automatically has an advantage, as they have more cover and room to move after spawning...
I can't see this map lasting more than a couple seconds... I can also see people getting tired of it very quickly. There's just not enough ability for adaptation. You need more length, more distance, more cover.
As nice as the buildings and such are, they are bland when you contemplate the possibilities of the TF2 style - you should make them more team-coloured, add more embellishments.
Improvements: Expand the map and make it a proper arena map, and create both normal and melee versions. It doesn't have to be much bigger, just more cover and perhaps a wider playing field.
Notes: It's a square, really. It is nice-looking, but the map should suit the play style, not the artistic style.