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Road traffic statistics

951576

Details

AADF latest year 2019
Region East of England
Local authority Hertfordshire
Road name B651
Road type Minor
Start junction road -
End junction road -
Link length -
Easting & Northing 518860,220948
Latitude & longitude 51.87445,-0.27482

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 1,723 1,425 256 13 65 17 12
2018 Manual count 1,887 1,531 310 16 49 16 13
2017 Manual count 1,899 1,520 330 21 49 16 12
2016 Manual count 1,879 1,592 248 16 33 10 12
2015 Manual count 1,989 1,728 221 16 33 14 10
2014 Manual count 1,650 1,352 252 21 52 13 12
2013 Manual count 1,781 1,539 182 36 23 11 12
2012 Manual count 1,888 1,589 220 39 28 21 19
2011 Manual count 1,778 1,473 264 17 65 10 14
2010 Manual count 2,020 1,644 315 32 18 11 18
2009 Manual count 2,023 1,696 239 36 29 21 31

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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 951576 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 951576 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. 21
Raw counts Vehicle counts recorded at this count point. 264

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