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File:Diagram Of a KarTrak ACI Plate.svg

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Summary

Description

A scale diagram of a CarTrak ACI plate for a railroad car. The plate contains information for a hypothetical railroad car owned by RailBox corporation, with a car identification number of 33646. The black portion around the labels is a metal back plate, painted a non-reflective black that labels were often affixed to, which was then mounted onto a railroad car.


The barcode is read from top to bottom.

  • Line 1: Start - Identifies the start of the barcode. (Same on all barcodes.)
  • Line 2: Equipment Code Number
  • Line 3-5: AAR ACI Owner Identification Number
  • Line 6-11: Car Identification Number. (If a car identification number is less than 6 numbers, then leading zeros are used)
  • Line 12: Stop - Identifies the end of the barcode. (Same on all barcodes.)
  • Line 13: Check Digit - Confirms correct scanning of the barcode.


CarTrak check digit formula
How to calculate[a] the KarTrak ACI check digit:
  • Line 1 times 1; 1×1=1
  • Line 2 times 2; 4×2=8
  • Line 3 times 4; 9×4=36
  • Line 4 times 8; 8×8=64
  • Line 5 times 16; 0×16=0
  • Line 6 times 32; 3×32=96
  • Line 7 times 64; 3×64=192
  • Line 8 times 128; 6×128=768
  • Line 9 times 256; 4×256=1,024
  • Line 10 times 512; 6×512=3,072

Then add all answers together.

  • 1+8+36+64+0+96+192+768+1024+3072= 5,261

Finally divide the previous answer by 11.

  • 11√5261 = 478 R3

The check digit is the remainder, in this case: 3.

Notes

  1. ↑ The actual first line, 'START', is ignored for calculating the check number. Thus 'Line 1' is actually 'Line 2', 'Line 2' is 'Line 3', etc
Date
Source

Created according to descriptions at A guide to ACI (Automatic Car Identification)/Kar Trak labels (Archived), using label elements created by IIVQ.

 
This vector image includes elements that have been taken or adapted from this file:
 KarTrak ACI codes.svg.
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: The Navigators
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Other versions File:KarTrak ACI codes.svg - A collection of all possible 'labels' that could form a complete barcode.

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22 February 2022

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Date/TimeThumbnailDimensionsUserComment
current20:43, 26 February 2023Thumbnail for version as of 20:43, 26 February 2023756 × 1,584 (307 KB)Alexander.stohrswapped colors of stop label to have blue to the left and pointing to the middle
03:36, 24 February 2023Thumbnail for version as of 03:36, 24 February 2023756 × 1,584 (222 KB)The Navigators{{Information |Description=A diagram of a {{w|KarTrak|CarTrak ACI}} plate for a railroad car. The plate contains information for a hypothetical railroad car owned by {{w|RailBox}} corporation, with a car identification number of 33646. <br>The barcode is read from top to bottom. *Line 1: Start - Identifies the start of the barcode. ''(Same on all barcodes.)'' *Line 2: Equipment Code Number *Line 3-5: AAR ACI Owner Identification Number *Line 6-11: Car Identification Number. ''(If a car iden...

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