here is the level for the bank level layout. As you probably can guess, like in transit, the bank has the deposit and withdraw money option. This can be very good when used in conjunction with the time bomb if you want to go back on a level and use the money for something else instead of what you had done already.
The Cell key for Leeroy also spawns in here behind the counter. The tunnel under the bank also leads to the Gunsmiths Shop as well as a shortcut.
Here is the layout below:
Thanks guys and gals.