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Introduction

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Each graph displays two different data values per class of vehicle size:

  • Total (purple): the total number (Σn) of vehicles in the selected sections at a given time: 

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  • Speed mps (blue): the average speed of the vehicles in that section at a given time, in metres per second:

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This query draws on the data recorded in the Highways Log (see System Logs), consisting of all classified 'mass activity' on the carriageway: Queues, Traffic, Maintenance and Empty Carriageways. A query calculates all or any incidents of these four activities in a customisable number of sections over a period of time (within the record limitations), and displays the results in a list.

Highways Log queries are configured with the following options:

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Select All Sections: Select for all sections to be queried. If not selected you can filter th based on one more selected section:

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