Page Comparison

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• Owner - Complete a/o November 2022

• Subdivision - In progress

• Yard - these locations will be very difficult to map, and really need someone with expertise to identify properties (e.g. pick five “best guess” properties, and run them through software to see accuracy level, and then adjust or add properties)

• Crossing

• Track Type

• Station 

• Signal

Divide and

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conquer strategy

It might be possible to map more than one group or location category at a time, as they might share common data (e.g. subdivision and crossings may share similar properties).

Subdivision

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mapping

• Properties DW team is currently using:

  • {subdivision name}

  • {owner name}

  • {start mile}

  • {end mile}

  • {XXXX?}

• The DW team has already started to map subdivisions, and 50% of them have a good level of accuracy.

• These are the steps required to map subdivision:

  1. Map subdivision to owner - this is complete. DW team needs rail safety experts to review the 50% of these that have a high accuracy after the initial mapping process.

  2. Rail safety experts need to identify three new properties for the DW team to run through their software. DW team suggested province might be a good property. This should help to provide a more accurate matching of the remaining 50%. When this is done, rail safety team will need to match these.

  3. There will be some leftover subdivisions that software cannot match. We will need to manually do these. There is no choice.

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• There will be two sets of data - 50% of the data will have a high accuracy rate, 50% of the data will need to be eyeballed, it will not have a high accuracy rate.

• Date may not be a specific group, per se, but it is by grouping (e.g. yard, subdivision, crossing, etc.).

Mapping

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occurrences to Locations

One location can have multiple occurrences.

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Need to map occurrences to locations vs locations to occurrences.

Technological

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considerations

• Need communication between RSIG, ROFs and DW if user maps or modifies a location.

• [Not sure if still applicable] - ROFs db should be the gold standard db. ROFs db will update RSIG and DW.