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 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.