Mutually defined route code

Code identifying source of routing specification

Code identifying the Intermodal Service Plan

Standard Carrier Alpha Code

R904 is used to identify the Standard Carrier Alpha Code (SCAC) of the delivery switch carrier.

Code indicating type of action

Standard Carrier Alpha Code

R906 is the route source.

Code indicating a Yes or No condition or response

If R907 is "Y", then this is a pricing (revenue) route. If "N", then this is an operating route.