| Motor Vehicles | Active Travel |
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Typical counts (median) across all survey locations compared to the average and totals, to distinguish between growth for any transportation mode and an increase in number of locations included in the survey. Looking at both medians (more typical) and means (averages) accounts for potential skew in traffic count and transportation mode due to road type and location.
The biannual survey is carried out by Scotland's National Monitoring Framework, on a Wednesday and the following Thursday normally toward the end of May and September. It tracks, on selected roads in settlements (or locations) for each of the 32 local authorities, nine modes of transport, including (passenger) cars and the two main modes of active travel – walking and cycling.
Where a survey cannot be carried out on the survey dates data is typically collected on the same weekdays the following week. In a few instances there is a delay of several weeks; while this may introduce seasonality differences especially for active travel, to allow comparison over time for each location, delayed counts are included in the analysis.
The area and sunburst charts report medians, as this provides the more meaningful, or typical count for comparing data that is often skewed by location and/or time. This allows more direct comparison between locations with large differences in number of reporting points.
Data feeding into the analysis presented may be accessed via Cycling Scotland's Active Travel Open Data Portal.
| Survey Period | Survey Months | No of Settlements | Surveyed on Date | Delayed Survey | Early Survey |
|---|---|---|---|---|---|
| Spring 2017 | May | 9 | 9 |
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| Autumn 2017 | Sep | 19 | 19 |
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| Spring 2018 | May | 19 | 19 |
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| Autumn 2018 | Sep | 30 | 30 |
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| Spring 2019 | May | 32 | 32 |
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| Autumn 2019 | Sep, Oct | 32 | 32 | 1 |
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| Spring 2020 | May, Jul | 33 | 32 | 2 |
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| Autumn 2020 | Sep | 33 | 33 |
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| Spring 2021 | May, Jun | 75 | 75 | 3 |
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| Autumn 2021 | Sep, Oct | 75 | 73 | 3 |
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| Spring 2022 | May, Jun | 74 | 71 | 6 |
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| Autumn 2022 | Aug, Sep, Oct | 75 | 73 | 2 | 1 |
| Spring 2023 | May, Jun | 75 | 73 | 3 |
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| Autumn 2023 | Sep, Oct, Jan | 76 | 71 | 9 |
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| Spring 2024 | May | 74 | 74 |
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| Autumn 2024 | Sep, Oct | 76 | 74 | 2 |
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| Spring 2025 | May, Jun | 72 | 71 | 4 |
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| Autumn 2025 | Sep, Oct | 72 | 69 | 7 |
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