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 · Beginning Segment for 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 2 · Optional

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

4. IS2 Loop Mandatory Repeat 20

   1. 040 · IS2 · Scheduled Events · Max 1 · Mandatory

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

   2. 050 · N8 · Waybill Reference · Max 1 · Optional

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

   3. 060 · N9 · Reference Number · Max 2 · Optional

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

   4. 070 · F9 · Origin Station · Max 1 · Optional

      To identify the rail origin of this shipment.

   5. 080 · D9 · Destination Station · Max 1 · Optional

      To identify the rail destination of this shipment.

   6. 090 · N1 · Name · Max 2 · Optional

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

   7. 100 · S9 · Stop-off Station · Max 5 · Optional

      To specify location details for a stop-off

   8. 110 · R2 · Route Information · Max 13 · Optional

      To specify carrier and routing sequences and details

   9. 120 · L5 · Description, Marks and Numbers · Max 1 · Optional

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

   10. 130 · H3 · Special Handling Instructions · Max 5 · Optional

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

5. 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).