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Road traffic statistics

57179

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A505
Road type Major
Start junction road LA Boundary
End junction road B655
Link length 8.20km (5.10 miles)
Easting & Northing 517342,228598
Latitude & longitude 51.94352,-0.29426

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
2024 Estimated using AADF from previous year on this link 18,127 13,681 3,492 774 22 67 112
2023 Estimated using AADF from previous year on this link 17,906 13,518 3,431 776 23 68 113
2022 Estimated using AADF from previous year on this link 17,533 13,192 3,365 790 24 73 114
2021 Manual count 16,252 12,291 3,021 768 25 66 106
2020 Estimated using AADF from previous year on this link 18,154 14,698 2,716 576 5 79 85
2019 Estimated using AADF from previous year on this link 24,183 20,128 3,173 644 4 106 132
2018 Manual count 24,142 20,083 3,184 643 3 99 134
2017 Estimated using AADF from previous year on this link 22,435 18,184 3,250 759 12 94 147
2016 Estimated using AADF from previous year on this link 22,263 18,206 3,071 738 12 96 151
2015 Estimated using AADF from previous year on this link 21,784 17,983 2,844 707 12 96 154
2014 Estimated using AADF from previous year on this link 20,934 17,456 2,559 669 12 93 156
2013 Estimated using AADF from previous year on this link 20,359 17,063 2,384 682 15 90 139
2012 Manual count 20,396 17,270 2,245 661 15 86 134
2011 Estimated using AADF from previous year on this link 21,434 17,496 2,877 727 9 179 155
2010 Estimated using AADF from previous year on this link 21,481 17,601 2,813 733 11 181 153
2009 Manual count 21,847 18,034 2,742 723 11 205 143
2008 Manual count 20,475 16,640 2,770 775 10 167 123
2007 Manual count 21,366 17,257 2,781 977 7 176 175
2006 Manual count 22,993 18,658 3,022 997 6 186 130
2005 Estimated using AADF from previous year on this link 18,113 14,700 2,257 867 2 170 119
2004 Manual count 18,132 14,803 2,158 870 2 177 124
2003 Manual count 21,761 17,772 2,453 1,185 8 178 173
2002 Manual count 21,949 17,932 2,530 1,130 8 215 142
2001 Manual count 21,011 16,960 2,750 927 7 208 166
2000 Manual count 21,367 17,333 2,626 1,029 16 230 149

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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 57179 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 57179 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. 25
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. 50
Raw counts Vehicle counts recorded at this count point. 288

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