This map has a good potential. But you are right, some changes could improve the gameplay. Because at the moment, it is really in favour of Axis.
It is a long way to escort the tank. At the tunnel exit, Allies will be surrounded and slaughtered. Axis can spawn at the top (landing field). It gives a decisive advantage.
Even though they escort the tank till the entrance, Allies can't secure the forward spawn.
It is all about the flag. If Allies manage to keep the flag, it is fine. If not, it will not be enjoyable.
Looking at the hallway (bottleneck) and the tunnel, I am pretty sure they will not be able to capture the flag.

So it means they will spawn at the first spawn and it is really far away.
