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EDI 421 Estimated Time of Arrival and Car Scheduling

Functional Group IS

X12I Transportation Subcommittee

This X12 Transaction Set 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 information as specified by the Reference Identification Qualifier

  4. To identify the service commitment schedules

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

  6. To transmit scheduled events such as arrivals, departures, and interchange times

  7. To identify the rail origin of the shipment

  8. To identify the rail destination of the shipment

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

  10. To specify carrier and routing sequences and details

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

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

  13. To identify the car service directive or other car movement instructions applicable to the empty movement of the car

  14. To specify the chassis equipment details in terms of identifying numbers, weights, and ownership

  15. To identify the transportation interchange authority

  16. To specify mechanical protective service and ventilation instructions

  17. To specify identifying information

  18. To identify additional station and waybill or station, or waybill information pertaining to revenue waybill

  19. S1 Loop Optional
    Repeat 12
    1. To identify a stop-off party

    2. To specify location details for a stop-off

  20. To indicate that the next segment begins a loop

  21. LH1 Loop Optional
    Repeat 1000
    1. To specify the hazardous commodity identification reference number and quantity

    2. To specify the hazardous notation and endorsement information

    3. To specify the hazardous material shipping name and additional descriptive requirements

    4. To uniquely identify the variable information required by government regulation covering the transportation of hazardous material shipments

    5. To specify the Environmental Protection Agency (EPA) information relating to shipments of hazardous material

    6. To specify additional Transport Canada requirements covering transportation of dangerous goods in Canada

    7. To specify the placard information required by the second government agency when shipment is to cross into another country

    8. To transmit specific hazardous material reference numbers

    9. To identify a person or office to whom administrative communications should be directed

    10. N1 Loop Optional
      Repeat 10
      1. To identify a party by type of organization, name, and code

      2. To specify the location of the named party

      3. To specify the geographic place of the named party

      4. To identify a person or office to whom administrative communications should be directed

  22. To indicate that the loop immediately preceding this segment is complete

  23. To identify a person or office to whom administrative communications should be directed

  24. 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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