This map could use more work on game play mechanics. There were a few things that annoyed me that could use better indication on. This alternative KOTH map had some obvious flaws. For one thing, there was no indication on how close the cart was to a base, which made it hard to figure where the main battlefield had moved. It could use a custom hud for that sort of thing.
With this game mode, the capture zone is huge! Once the cart starts any part of that ramp into the enemy spawn, and I'm not talking far, the game immediately gives them them the advantage. Its difficult to even get that cart up the hill, let alone from the barrier where the track ends. What it could use is a gap from the center, one that is at least far enough down the ramp.
I found the lack of a resupply locker quite irksome. Not only is the spawn easily camped from both sides (with our two doors) we have no access to additional health resupplies unless we stroll back into the battlefield. Fix this, even if it means putting the cabinet in the far end of that garage. You know, the one with the small health resupply. Its far and tucked out of the way that could be reused for that purpose. Also, make sure that garage has a respawn field in it as well. One of the irksome things about cp_Steel does that, having resupply lockers out in the open with no respawn field.
The other garage, the one of the rockets, is a nasty sniper spot. Its too dark to see the sniper in the first place, and the second part is players really don't need to hide that far back in that area.
I felt that the map itself was either too small or that the respawn waves were too quick. Either making the map a little larger or making it that respawn waves alter with who captures the point. For example: Red starts the timer for KOTH, Blu's wave is short, but Red's now is longer by a few seconds. Gives the advantage only for Blu with out having another way out of spawn so quickly and red over powering them.
Finally, I was not a fan of the outdoor spawn zone.
Does not feel like it fits in the TF2 theme.