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Road traffic statistics

28077

Details

AADF latest year 2024
Region London
Local authority Harrow
Road name A4008
Road type Major
Start junction road A410
End junction road LA Boundary
Link length 1.50km (0.93 miles)
Easting & Northing 513807,191654
Latitude & longitude 51.61223,-0.35776

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 16,812 14,139 2,261 213 74 179 19
2023 Estimated using AADF from previous year on this link 16,877 14,223 2,248 215 66 171 19
2022 Estimated using AADF from previous year on this link 16,868 14,253 2,209 218 64 169 18
2021 Estimated using AADF from previous year on this link 16,283 13,876 2,035 207 63 147 18
2020 Estimated using AADF from previous year on this link 15,111 12,862 1,909 194 70 128 18
2019 Manual count 19,571 16,967 2,190 224 57 169 22
2018 Estimated using AADF from previous year on this link 16,572 14,662 1,489 310 17 76 35
2017 Estimated using AADF from previous year on this link 16,557 14,675 1,459 311 18 75 36
2016 Estimated using AADF from previous year on this link 16,577 14,679 1,471 316 18 73 38
2015 Estimated using AADF from previous year on this link 16,838 14,989 1,426 319 17 68 36
2014 Estimated using AADF from previous year on this link 16,836 15,040 1,371 316 15 72 38
2013 Estimated using AADF from previous year on this link 16,771 14,996 1,326 340 13 69 39
2012 Estimated using AADF from previous year on this link 16,608 14,867 1,294 335 16 71 42
2011 Manual count 16,907 15,156 1,325 318 19 65 43
2010 Estimated using AADF from previous year on this link 19,474 16,650 2,138 410 92 173 103
2009 Estimated using AADF from previous year on this link 19,991 17,112 2,162 436 96 184 97
2008 Estimated using AADF from previous year on this link 20,216 17,250 2,220 459 88 195 92
2007 Estimated using AADF from previous year on this link 20,671 17,656 2,267 456 76 201 91
2006 Manual count 20,828 17,924 2,218 391 58 205 90
2005 Estimated using AADF from previous year on this link 19,434 17,367 1,551 244 53 127 145
2004 Estimated using AADF from previous year on this link 19,607 17,560 1,519 254 53 138 136
2003 Estimated using AADF from previous year on this link 19,451 17,351 1,604 233 61 145 118
2002 Manual count 19,656 17,706 1,457 250 42 140 103
2001 Estimated using AADF from previous year on this link 21,424 18,932 1,743 350 45 289 110
2000 Manual count 21,389 18,914 1,737 367 41 268 103

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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 28077 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 28077 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. 120

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