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Road traffic statistics

8641

Details

AADF latest year 2024
Region London
Local authority Harrow
Road name A4005
Road type Major
Start junction road A4127
End junction road A312
Link length 1.40km (0.87 miles)
Easting & Northing 515000,186825
Latitude & longitude 51.56858,-0.34212

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 16,165 13,554 1,845 229 54 392 145
2023 Estimated using AADF from previous year on this link 16,218 13,634 1,835 230 48 375 144
2022 Estimated using AADF from previous year on this link 16,210 13,663 1,803 233 47 369 143
2021 Manual count 15,642 13,302 1,661 219 46 320 141
2020 Estimated using AADF from previous year on this link 11,031 9,520 1,160 92 55 132 127
2019 Estimated using AADF from previous year on this link 14,320 12,559 1,331 106 45 173 153
2018 Estimated using AADF from previous year on this link 14,281 12,526 1,331 107 48 164 154
2017 Estimated using AADF from previous year on this link 14,271 12,537 1,304 107 48 163 160
2016 Estimated using AADF from previous year on this link 14,288 12,541 1,315 108 50 157 166
2015 Estimated using AADF from previous year on this link 14,494 12,805 1,275 110 48 146 157
2014 Estimated using AADF from previous year on this link 14,502 12,849 1,226 109 42 154 164
2013 Manual count 14,436 12,812 1,186 118 37 149 171
2012 Estimated using AADF from previous year on this link 16,365 14,697 1,017 310 44 174 167
2011 Estimated using AADF from previous year on this link 16,643 14,983 1,042 289 51 160 169
2010 Estimated using AADF from previous year on this link 16,683 15,028 1,047 284 51 160 164
2009 Estimated using AADF from previous year on this link 17,110 15,445 1,059 281 53 170 155
2008 Estimated using AADF from previous year on this link 17,281 15,570 1,087 297 48 180 147
2007 Estimated using AADF from previous year on this link 17,676 15,936 1,111 301 41 184 144
2006 Estimated using AADF from previous year on this link 17,863 16,179 1,087 266 32 188 143
2005 Manual count 17,561 15,887 1,096 269 25 173 136
2004 Estimated using AADF from previous year on this link 21,287 19,498 1,231 118 25 149 291
2003 Estimated using AADF from previous year on this link 21,083 19,267 1,299 106 29 156 255
2002 Manual count 21,327 19,660 1,180 115 20 151 221
2001 Estimated using AADF from previous year on this link 18,363 16,389 1,327 270 22 201 176
2000 Estimated using AADF from previous year on this link 18,333 16,372 1,323 288 20 186 164

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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 8641 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 8641 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. 96

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