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

1. 010 · ST · Transaction Set Header · Max 1 · Mandatory

   To indicate the start of a transaction set and to assign a control number

2. 020 · IS1 · Estimated Time of Arrival and Car Scheduling · Max 1 · Mandatory

   To transmit basic data relating to car scheduling information

3. 030 · N9 · Reference Number · Max 3 · Mandatory

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

4. 035 · ISC · Interline Service Commitment Detail · Max 999999 · Mandatory

   To identify the service commitment schedules

5. 040 · N8 · Waybill Reference · Max 1 · Optional

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

6. 050 · IS2 · Scheduled Events · Max 999999 · Mandatory

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

7. 070 · F9 · Origin Station · Max 1 · Optional

   To identify the rail origin of this shipment.

8. 080 · D9 · Destination Station · Max 1 · Optional

   To identify the rail destination of this shipment.

9. 090 · N1 · Name · Max 2 · Optional

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

10. 100 · S9 · Stop-off Station · Max 5 · Optional

    To specify location details for a stop-off

11. 110 · R2 · Route Information · Max 13 · Optional

    To specify carrier and routing sequences and details

12. 120 · L5 · Description, Marks and Numbers · Max 1 · Optional

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

13. 130 · H3 · Special Handling Instructions · Max 6 · Optional

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

14. 140 · SE · Transaction Set Trailer · Max 1 · Mandatory

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