The airport terminal is also available in modular form so you may configure your own:

Module 1 – Main rectangular building:
Module 2 – Circular terminal plus track
Module 3 – Control Tower
Module 4 – Walkway spline main to terminal
Module 5 – Railway station
Module 6 – Yellow line for tarmac marking
Module 7 – Bitumen paving spline 40 by 40
Module 8 – Bitumen paving spline 80 by 40
Module 9 – Overhead flood lights
Module 10 – External stairway to ground
Module 11 – Terminal hub, no attached track
Module 12 – Passenger gate access to aircraft
Module 13 – Gate access as a spline