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Road traffic statistics

99507

Details

AADF latest year 2024
Region South West
Local authority Bristol, City of
Road name A4320
Road type Major
Start junction road A4
End junction road A420
Link length 2.30km (1.43 miles)
Easting & Northing 360500,173000
Latitude & longitude 51.45459,-2.56987

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 32,698 24,530 6,372 1,232 275 397 168
2023 Estimated using AADF from previous year on this link 32,207 24,164 6,259 1,231 272 385 167
2022 Manual count 31,682 23,718 6,155 1,253 277 391 166
2021 Estimated using AADF from previous year on this link 29,515 21,643 6,153 1,209 182 429 81
2020 Manual count 26,900 19,645 5,644 1,128 222 405 78
2019 Estimated using AADF from previous year on this link 32,808 25,528 5,327 1,442 327 331 179
2018 Estimated using AADF from previous year on this link 32,557 25,212 5,374 1,441 298 353 177
2017 Manual count 32,742 25,493 5,276 1,421 270 357 195
2016 Estimated using AADF from previous year on this link 27,761 20,823 5,646 798 86 386 108
2015 Estimated using AADF from previous year on this link 26,979 20,503 5,169 795 92 395 117
2014 Estimated using AADF from previous year on this link 27,107 20,887 4,914 801 99 388 118
2013 Estimated using AADF from previous year on this link 26,646 21,106 4,316 749 103 365 111
2012 Manual count 26,728 21,226 4,267 752 104 365 118
2011 Estimated using AADF from previous year on this link 29,843 22,797 4,920 1,482 115 426 218
2010 Manual count 29,761 22,912 4,772 1,457 104 402 218
2009 Estimated using AADF from previous year on this link 29,020 21,954 5,235 1,298 142 304 229
2008 Manual count 29,037 22,311 4,834 1,336 142 322 234
2007 Estimated using AADF from previous year on this link 28,301 21,055 4,853 1,692 70 452 249
2006 Manual count 28,949 22,093 4,448 1,702 112 447 259
2005 Estimated using AADF from previous year on this link 27,033 20,215 4,680 1,588 55 374 176
2004 Manual count 27,506 20,733 4,562 1,662 65 370 179
2003 Estimated using AADF from previous year on this link 30,019 22,688 4,931 1,684 74 544 172
2002 Manual count 29,804 23,010 4,524 1,592 83 485 193
2001 Estimated using AADF from previous year on this link 30,619 23,578 4,415 1,963 72 349 314
2000 Manual count 30,191 23,116 4,433 1,997 76 337 308

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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 99507 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 99507 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. 240

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