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EDI 421 Estimated Time of Arrival and Car Scheduling

Functional Group IS

X12I Transportation Subcommittee

This Draft Standard for Trial Use contains the format and establishes the data contents of the Estimated Time of Arrival and Car Scheduling Transaction Set (421) for use within the context of an Electronic Data Interchange (EDI) environment. This transaction set can be used to allow railroads to exchange car scheduling and estimated time of arrival data between carriers.

Heading

Position
Segment
Name
Max use
  1. To indicate the start of a transaction set and to assign a control number

  2. To transmit basic data relating to car scheduling information

  3. To transmit identifying numbers and descriptive information as specified by the reference number qualifier

  4. IS2 Loop Mandatory
    Repeat 20
    1. To transmit scheduled events such as arrivals, departures, and interchange times

    2. To identify the waybill and to specify the equipment used and the destination details

    3. To transmit identifying numbers and descriptive information as specified by the reference number qualifier

    4. To identify the rail origin of this shipment.

    5. To identify the rail destination of this shipment.

    6. To identify a party by type of organization, name and code

    7. To specify location details for a stop-off

    8. To specify carrier and routing sequences and details

    9. To specify the line item in terms of description, quantity, packaging, and marks and numbers.

    10. To specify special handling instructions in coded or free-form format

  5. To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments).

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