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Road traffic statistics

941473

Details

AADF latest year 2019
Region East of England
Local authority Hertfordshire
Road name B197
Road type Minor
Start junction road -
End junction road -
Link length -
Easting & Northing 525389,218636
Latitude & longitude 51.85225,-0.18087

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 12,271 10,334 1,647 74 71 97 120
2018 Manual count 12,028 10,127 1,615 71 71 95 120
2017 Estimated using AADF from previous year on this link 12,354 10,358 1,688 99 57 92 116
2016 Manual count 12,340 10,407 1,621 98 61 95 119
2015 Manual count 12,032 10,275 1,349 129 169 157 122
2014 Manual count 12,687 10,784 1,545 138 56 96 123
2013 Manual count 12,325 10,727 1,296 101 91 105 95
2012 Manual count 11,887 10,222 1,332 112 90 92 129
2011 Manual count 11,343 9,738 1,333 100 47 66 106
2010 Manual count 11,460 9,827 1,268 133 71 114 118
2008 Manual count 13,391 12,021 984 124 44 133 129

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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 941473 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 941473 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. 240

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