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Road traffic statistics

930246

Details

AADF latest year 2009
Region London
Local authority Harrow
Road name U
Road type Minor
Start junction road -
End junction road -
Link length -
Easting & Northing 511430,190070
Latitude & longitude 51.59846,-0.39258

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
2009 Manual count 14,476 12,872 882 142 95 82 498
2008 Manual count 17,111 15,577 783 186 108 132 433
2007 Manual count 16,225 14,234 1,287 109 52 117 478
2006 Manual count 16,778 14,904 1,036 217 123 97 524
2005 Estimated using AADF from previous year on this link 18,795 16,973 1,170 101 72 132 419
2004 Manual count 18,465 16,575 1,183 101 74 137 469
2003 Manual count 18,373 16,101 1,301 136 100 203 632

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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 930246 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 930246 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. 7
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. 14
Raw counts Vehicle counts recorded at this count point. 144

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