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Circumstance Codes

1.Physical Act

2.Location - Parts I, II, and III


4.Tools, Machinery, Appliances, Structures, Surfaces (etc.)

5.Probable Reason for Injury/Illness

When selecting circumstance codes, use a COMBINATION THAT BEST IDENTIFIES the key factors without duplicating information identified by another code. The narrative portion of the report is to be used to provide additional information concerning those items that cannot be adequately described on the coded portions of the form. Reference the FRA Guide for Preparing Accident/Incident Reports, chapter 6 and appendix F FOR more information. Use FRA Form 6180.55a. and Insert the circumstance code in the appropriate item (5j, 5k, 5l, 5m, and 5n).


Type of Circumstance

Form F6180.55a Item Entry

Answer the question?

Download Files (Excel and PDF)

All Circumstance Codes

    All Codes

Physical Act


What was the person doing when hurt?

Part I
Did A/I occur on or near rail right of way?

Part II
If A/I involved rail equipment, select code that best describes type of equipment involved




Part III
Select the code that best identifies the location of the person whose injury/illness is being reported




Select one of these Event codes


Tools, Machinery, Appliances, Structures, Surfaces (etc.)


Select one of these Result codes


Probable Reason for Injury / Illness


Select one of these Cause codes