1        Package Express
2        Groups
A        Bus
B        Truck
C        Truck - Rail - Truck
D        Applies to deregulated (US ICC) carload rail, other than piggyback
E        Rail
F        Rail Trailer on Flat Car/Container on Flat Car (TOFC/COFC) Door-to-Door
G        Rail Trailer on Flat Car/Container on Flat Car (TOFC/COFC) Plan 3
H        Rail Trailer on Flat Car/Container on Flat Car (TOFC/COFC) Plan 4
I        Applies to regulated intermodal traffic
J        Air Freight
K        Air Freight Forwarder
L        Air Taxi
M        Multimodal
N        Surface Freight Forwarder
O        Water
P        Applied To Deregulated (US ICC) Piggyback
Q        Shipper Agent
R        Applies to regulated carload rail other than piggyback.
S        Driveaway Service
T        Towaway Service
U        Driveaway and Towaway Service
V        Water/Pipeline Intermodal Movements
W        Shipper Agent (Truck/Rail/Truck)
Y        Pipeline
Z        Shipper Association