ISD Railroad Interline Service Definition Detail
To identify service commitment starting events
Standard Carrier Alpha Code
ISD01 is the Standard Carrier Alpha Code (SCAC) corresponding to the first carrier in the route defining the service commitment.
Code (Standard Point Location) defined by National Motor Freight Tariff Association (NMFTA) or the Canadian Transportation Agency (CTA) point development group as the official code assigned to a city or point (for ratemaking purposes) within a city
ISD02 is the location of the event.
Code identifying the event about which a report is made
Time expressed in 24-hour clock time as follows: HHMM, or HHMMSS, or HHMMSSD, or HHMMSSDD, where H = hours (00-23), M = minutes (00-59), S = integer seconds (00-59) and DD = decimal seconds; decimal seconds are expressed as follows: D = tenths (0-9) and DD = hundredths (00-99)
ISD04 is the latest time that the event described in ISD03 may occur.