421 - Estimated Time of Arrival and Car Scheduling

FUNCTIONAL GROUP=IS

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.

SCHEMA

ST

Segment	Name	Position
ST	Transaction Set Header	0100
IS1	Estimated Time of Arrival and Car Scheduling	0200
N9	Extended Reference Information	0300
ISC	Interline Service Commitment Detail	0350
N8	Waybill Reference	0400
IS2	Scheduled Events	0500
F9	Origin Station	0700
D9	Destination Station	0800
N1	Party Identification	0900
R2	Route Information	1100
L5	Description, Marks and Numbers	1200
H3	Special Handling Instructions	1300
H5	Car Service Order	1400
IC	Intermodal Chassis Equipment	1500
IMA	Interchange Move Authority	1600
PS	Protective Service Instructions	1700
REF	Reference Information	1800
N8A	Additional Reference Information	1900

S1

Segment	Name	Position
S1	Stop-off Name	2000
S9	Stop-off Station	2100
LS	Loop Header	2200

LH1

Segment	Name	Position
LH1	Hazardous Identification Information	2300
LH2	Hazardous Classification Information	2400
LH3	Hazardous Material Shipping Name Information	2500
LFH	Free-form Hazardous Material Information	2600
LEP	EPA Required Data	2700
LH4	Canadian Dangerous Requirements	2800
LHT	Transborder Hazardous Requirements	2900
LHR	Hazardous Material Identifying Reference Numbers	3000
PER	Administrative Communications Contact	3100

N1

Segment	Name	Position
N1	Party Identification	3120
N3	Party Location	3140
N4	Geographic Location	3160
PER	Administrative Communications Contact	3180
LE	Loop Trailer	3200
PER	Administrative Communications Contact	3300
SE	Transaction Set Trailer	3400

rev 04/12/2024