The Route File (ROUTE) was initially designed to support the Rate EDI Network (REN). The route code is an amalgamation of two Standard Point Location Codes (origin and destination) with a sequential 4-digit number which identifies revenue routes. Routes in this file may also be utilized to request prices from the REN.

With the Route File, chances of misspelled Standard Carrier Alpha Codes and junction abbreviations are eliminated. Moreover, changes resulting from abandonments and adoptions can be handled by the IRF central site rather than requiring all carriers to perform this activity individually.

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