SMB Beginning Segment for Railroad Station Master File

To identify the type of transaction update, effective date, and type of station

Position
Element
Name
Type
Requirement
Min
Max
Repeat
SMB01
Transaction Set Purpose Code
Identifier (ID)
Mandatory
2
2
-
Code identifying purpose of transaction set
SMB02
Date
Date (DT)
Mandatory
6
6
-
Date (YYMMDD)
SMB03
Station Type Code
Identifier (ID)
Mandatory
1
1
-
Code identifying the type of geographic location
SMB04
Standard Point Location Code
Identifier (ID)
Optional
6
9
-
Code (Standard Point Location) defined by NMFTA point development group as the official code assigned to a city or point (for ratemaking purposes) within a city
SMB04 is required except when the carrier is adding a new station in the update transaction to the AAR.
SMB05
Station Type Code
Identifier (ID)
Optional
1
1
-
Code identifying the type of geographic location
SMB05, SMB06, and SMB07 are needed to support the situations where a station can be more than a single type.
SMB06
Station Type Code
Identifier (ID)
Optional
1
1
-
Code identifying the type of geographic location
SMB07
Station Type Code
Identifier (ID)
Optional
1
1
-
Code identifying the type of geographic location
SMB08
Yes/No Condition or Response Code
Identifier (ID)
Mandatory
1
1
-
Code indicating a Yes or No condition or response
SMB08 indicates if the station is embargoed. A "Y" indicates the station is embargoed; an "N" indicates it is not.

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