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Road traffic statistics

56177

Details

AADF latest year 2004
Region East of England
Local authority Hertfordshire
Road name A10
Road type Major
Start junction road B158
End junction road A120
Link length 5.60km (3.48 miles)
Easting & Northing 536400,218900
Latitude & longitude 51.85204,-0.02099

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
2004 Estimated using AADF from previous year on this link 24,308 19,124 3,079 1,790 5 182 133
2003 Manual count 23,604 18,804 2,766 1,694 5 179 161
2002 Manual count 25,351 20,268 2,933 1,643 6 320 187
2001 Manual count 21,653 17,338 2,572 1,388 11 236 119
2000 Manual count 21,143 16,976 2,735 1,127 30 174 131

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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 56177 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 56177 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. 5
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. 10
Raw counts Vehicle counts recorded at this count point. 96

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