A is the Arch
B is a Buffer
C is the Letter that Stands for the Chain
D is the Driver
E is the Engine
F is the Fog
G is the Guard
H is the Famous Hotel
I and J
K is the Keeper
L is the Lantern
M is the Mile-Mark
N The Navigator
O is the Office
P is the Careful Policeman
Q is the Queen
R is the Rail
Regenerates
S is the Station
T is the Tunnel