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Road traffic statistics

89227

Details

AADF latest year 2024
Region South West
Local authority South Gloucestershire
Road name A420
Road type Major
Start junction road A4017
End junction road A4174
Link length 1.80km (1.12 miles)
Easting & Northing 365816,173708
Latitude & longitude 51.4613,-2.49344

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 11,740 9,430 1,815 201 32 137 157
2023 Manual count 11,562 9,290 1,783 201 31 133 156
2022 Estimated using AADF from previous year on this link 13,027 9,880 2,642 233 158 111 161
2021 Estimated using AADF from previous year on this link 12,164 9,250 2,438 225 176 102 149
2020 Estimated using AADF from previous year on this link 11,083 8,396 2,236 210 216 96 145
2019 Estimated using AADF from previous year on this link 14,185 11,054 2,534 239 189 130 229
2018 Estimated using AADF from previous year on this link 14,077 10,917 2,556 239 172 138 227
2017 Estimated using AADF from previous year on this link 14,174 11,039 2,509 237 155 140 250

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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 89227 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 89227 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. 8
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. 16
Raw counts Vehicle counts recorded at this count point. 24

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