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Road traffic statistics

942642

Details

AADF latest year 2019
Region London
Local authority Harrow
Road name B461
Road type Minor
Start junction road -
End junction road -
Link length -
Easting & Northing 518799,191376
Latitude & longitude 51.6087,-0.28579

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
2019 Manual count 12,465 10,177 1,441 125 45 133 589
2018 Manual count 12,010 10,118 1,306 108 70 118 359
2017 Manual count 13,946 11,625 1,470 135 101 129 586
2016 Manual count 13,321 11,241 1,216 260 98 142 461
2015 Manual count 12,977 10,912 1,111 274 98 120 559
2014 Manual count 12,513 10,453 1,169 244 95 100 547
2013 Manual count 10,611 8,801 1,109 237 56 63 401
2012 Manual count 12,534 10,359 1,147 338 58 69 620
2011 Manual count 10,867 9,021 926 341 70 148 431
2010 Manual count 10,094 8,369 780 237 66 77 631
2008 Manual count 11,094 9,247 944 302 40 119 482

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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 942642 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 942642 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. 11
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. 22
Raw counts Vehicle counts recorded at this count point. 264

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