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Road traffic statistics

17634

Details

AADF latest year 2024
Region South West
Local authority South Gloucestershire
Road name A420
Road type Major
Start junction road A4175
End junction road A4175
Link length 1.20km (0.75 miles)
Easting & Northing 367000,173550
Latitude & longitude 51.45995,-2.47638

Location

Contents

Average Annual Daily Flow

Average annual daily flow
Year Count method All motor vehicles Cars & taxis LGVs HGVs Pedal cycles Motorcycles Buses & coaches
2024 Estimated using AADF from previous year on this link 10,010 7,272 2,123 397 109 111 106
2023 Estimated using AADF from previous year on this link 9,861 7,164 2,086 398 108 108 106
2022 Estimated using AADF from previous year on this link 9,702 7,032 2,051 405 110 110 105
2021 Estimated using AADF from previous year on this link 9,064 6,583 1,892 391 123 100 97
2020 Estimated using AADF from previous year on this link 8,264 5,975 1,736 364 151 95 94
2019 Manual count 10,525 7,867 1,967 414 132 128 149
2018 Estimated using AADF from previous year on this link 10,897 7,884 2,202 623 56 72 116
2017 Estimated using AADF from previous year on this link 10,953 7,972 2,162 619 50 73 127
2016 Estimated using AADF from previous year on this link 10,908 8,031 2,053 615 53 72 137
2015 Estimated using AADF from previous year on this link 10,612 7,907 1,880 604 56 74 147
2014 Estimated using AADF from previous year on this link 10,392 7,754 1,793 626 61 84 137
2013 Estimated using AADF from previous year on this link 10,064 7,549 1,676 609 63 87 142
2012 Estimated using AADF from previous year on this link 10,038 7,616 1,613 594 63 78 136
2011 Manual count 10,126 7,737 1,594 588 67 82 125
2010 Estimated using AADF from previous year on this link 11,672 8,119 2,711 655 36 142 45
2009 Estimated using AADF from previous year on this link 11,533 8,168 2,539 638 36 149 39
2008 Estimated using AADF from previous year on this link 11,356 7,992 2,502 689 36 134 39
2007 Estimated using AADF from previous year on this link 11,493 8,172 2,451 684 32 140 46
2006 Estimated using AADF from previous year on this link 11,560 8,306 2,328 730 52 146 50
2005 Estimated using AADF from previous year on this link 11,753 8,466 2,293 771 33 169 54
2004 Estimated using AADF from previous year on this link 12,025 8,874 2,151 739 39 205 56
2003 Estimated using AADF from previous year on this link 11,715 8,760 1,954 621 48 311 69
2002 Manual count 11,820 9,097 1,799 634 54 219 71
2001 Estimated using AADF from previous year on this link 13,124 10,266 1,913 716 37 147 82
2000 Estimated using AADF from previous year on this link 13,452 10,594 1,899 741 38 140 78

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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.

Site details
Manual count point site 17634 details
Average annual daily flow
Number of vehicles that travel past the count point (in both directions) on an average day of the year.
Average annual daily flow by direction
Number of vehicles that travel past the count point on an average day of the year, by direction of travel.
Raw counts
Vehicle counts recorded at this count point.
Data Description Records Download
Site details Manual count point site 17634 details 1
Average annual daily flow Number of vehicles that travel past the count point (in both directions) on an average day of the year. 25
Average annual daily flow by direction Number of vehicles that travel past the count point on an average day of the year, by direction of travel. 50
Raw counts Vehicle counts recorded at this count point. 72

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