Great map! Really like the house design and your use of custom(?) hostage radio lines.
If there is one thing I can nitpick, I think that when a CT reaches a hostage rescue zone, the map should send out a text alert indicating that the CTs have reached a hostage rescue zone in addition to the radio lines (I used something similar for a hostage escort map I released a few months back). I feel like an action such as triggering the rescue helicopter should deserve the same server-wide text alert such as planting a bomb or picking up a hostage, instead of just a radio message that can be easily missed compared to a text alert.