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Road traffic statistics

941468

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 524060,222845
Latitude & longitude 51.89037,-0.19864

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 13,700 12,044 1,383 101 58 81 91
2018 Manual count 12,684 11,182 1,257 100 45 91 54
2017 Manual count 13,207 11,631 1,328 84 66 103 61
2016 Manual count 12,519 11,113 1,169 126 54 71 40
2015 Manual count 12,070 10,573 1,158 190 62 80 70
2014 Manual count 12,850 11,243 1,141 213 73 181 73
2013 Manual count 13,841 12,145 1,303 180 60 115 97
2012 Manual count 12,216 10,803 1,046 182 94 86 100
2011 Manual count 12,783 11,235 1,126 198 71 154 70
2010 Manual count 12,842 11,101 1,177 337 65 165 62
2008 Manual count 13,268 11,669 1,198 173 106 158 70

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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 941468 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 941468 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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