Signal panel / black text / fixed code
Route clear
Flat panels, route colors, and heavy arrows make the next move readable before the traveler slows down.
C
Gates C12-C18
Aircraft route / yellow code
C12
B
Baggage hall
Arrival route / carousel band
07-12
T
Trains and bus
Ground transport / green code
-1
X
Transfer desks
Connection route / same level
2F
i
Information
Facility marker / black field
24 H
One glance, one direction.
A rigid color code turns dense terminal movement into a sequence of hard-edged readable decisions.