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Road traffic statistics

Roadside traffic counts of Heavy Goods Vehicles are changing from 2028, your feedback will help us improve this.

Comhairle nan Eilean Siar

142 million vehicle miles were travelled on roads in Comhairle nan Eilean Siar in 2025.

Region Scotland
Time period 1993 - 2025
Count points 64
ONS code S12000013

Road traffic by vehicle class from 1993 to 2025

Million vehicle miles travelled each year in Comhairle nan Eilean Siar, split by vehicle class

Road traffic by vehicle class table

Million vehicle miles travelled each year in Comhairle nan Eilean Siar, split by vehicle class

Year Cars & taxis All motor vehicles
2025 100.0 142.2
2024 98.7 140.7
2023 97.0 138.3
2022 94.7 135.6
2021 86.3 126.3
2020 78.9 113.3
2019 104.0 143.6
2018 105.6 146.2
2017 107.1 148.3
2016 112.9 157.4
2015 100.1 138.5
2014 98.4 134.9
2013 95.9 130.0
2012 92.1 128.3
2011 88.0 126.5
2010 87.7 126.5
2009 89.6 126.3
2008 91.0 126.0
2007 94.1 128.8
2006 94.5 128.1
2005 80.5 108.1
2004 87.7 114.8
2003 86.6 114.5
2002 83.7 110.5
2001 81.6 109.1
2000 80.5 107.8
1999 80.4 107.7
1998 81.5 108.6
1997 82.1 107.6
1996 81.4 105.6
1995 79.9 103.0
1994 78.1 100.4
1993 75.8 96.9

Download data

Data disclaimer

Traffic figures at the regional and national level are robust, and are reported as accredited official statistics. However, DfT’s traffic estimates for individual road links and small areas are less robust, as they are not always based on up-to-date counts made at these locations. Where other more up-to-date sources of traffic data are available (e.g. from local highways authorities), this may provide a more accurate estimate of traffic at these locations.

It is the responsibility of the user to decide which data are most appropriate for their purpose, and if DfT road link level traffic estimates are used, to make a note of the limitations in any published material.

Quality flags in data downloads

DfT’s road link level traffic estimates are calculated using a variety of methods, with some methods likely to produce more accurate estimates than others.

The data tables available to download here contain a column - estimation_method – showing the method used to estimate traffic for each location and year. Figures having an estimation method of “Counted” are likely to be more accurate than those marked as “Estimated”, and the latter should be used with caution.

Metadata

The road traffic statistics metadata PDF document provides guidance on the different datasets available to download for DfT traffic estimates.

Downloads

Count points
Details of each count point in Comhairle nan Eilean Siar.
Traffic by vehicle class
The total volume of traffic across Comhairle nan Eilean Siar each year, split by vehicle class.
Annual average daily flow
The number of vehicles that travel (in all directions) past each count point in Comhairle nan Eilean Siar on an average day of the year.
Annual average daily flow by direction
The number of vehicles that travel past each count point in Comhairle nan Eilean Siar on an average day of the year, split by direction of travel.
Raw counts
The vehicle counts recorded at each count point in Comhairle nan Eilean Siar.
Data Description Records Download
Count points Details of each count point in Comhairle nan Eilean Siar. 64
Traffic by vehicle class The total volume of traffic across Comhairle nan Eilean Siar each year, split by vehicle class. 33
Annual average daily flow The number of vehicles that travel (in all directions) past each count point in Comhairle nan Eilean Siar on an average day of the year. 881
Annual average daily flow by direction The number of vehicles that travel past each count point in Comhairle nan Eilean Siar on an average day of the year, split by direction of travel. 1,566
Raw counts The vehicle counts recorded at each count point in Comhairle nan Eilean Siar. 4,212

To apply more filters to downloads, or retrieve data split into pages you can use our API.