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Road traffic statistics

8706

Details

AADF latest year 2020
Region East of England
Local authority Hertfordshire
Road name A505
Road type Major
Start junction road A1(M)
End junction road Baldock Lane
Link length 0.40km (0.25 miles)
Easting & Northing 523400,231090
Latitude & longitude 51.96461,-0.20527

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
2020 Estimated using AADF from previous year on this link 23,650 19,041 3,726 682 14 132 69
2019 Manual count 31,474 26,075 4,354 761 11 177 107
2018 Estimated using AADF from previous year on this link 30,912 25,557 4,251 806 15 193 105
2017 Manual count 30,841 25,680 4,059 793 15 198 111
2016 Estimated using AADF from previous year on this link 29,630 23,886 4,659 759 14 209 118
2015 Estimated using AADF from previous year on this link 28,973 23,593 4,314 739 14 208 119
2014 Manual count 27,799 22,902 3,881 693 15 202 121
2013 Estimated using AADF from previous year on this link 27,066 21,925 4,010 710 29 237 184
2012 Manual count 27,064 22,190 3,777 694 29 225 178
2011 Estimated using AADF from previous year on this link 29,128 23,634 4,131 843 21 314 206
2010 Manual count 29,195 23,777 4,038 857 24 319 204
2009 Manual count 27,870 23,602 3,162 797 21 191 118
2008 Estimated using AADF from previous year on this link 29,791 23,993 4,082 1,340 29 198 178
2007 Estimated using AADF from previous year on this link 29,974 24,162 4,074 1,360 29 203 175
2006 Estimated using AADF from previous year on this link 29,748 24,332 3,677 1,350 29 203 186
2005 Estimated using AADF from previous year on this link 29,151 23,925 3,508 1,338 30 187 193
2004 Estimated using AADF from previous year on this link 29,201 24,094 3,354 1,358 29 194 201
2003 Manual count 28,446 23,692 3,013 1,306 29 192 243
2002 Estimated using AADF from previous year on this link 28,612 23,997 3,026 960 37 339 290
2001 Estimated using AADF from previous year on this link 27,875 23,320 3,002 940 35 332 281
2000 Manual count 26,982 22,619 2,842 947 40 301 273

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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 8706 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 8706 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. 21
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. 42
Raw counts Vehicle counts recorded at this count point. 192

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