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Road traffic statistics

27988

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A602
Road type Major
Start junction road A505
End junction road B656
Link length 1.20km (0.75 miles)
Easting & Northing 518563,228344
Latitude & longitude 51.94098,-0.27659

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 28,041 22,446 4,660 770 29 114 50
2023 Estimated using AADF from previous year on this link 27,627 22,111 4,578 778 28 110 50
2022 Manual count 27,160 21,703 4,501 794 29 112 50
2021 Estimated using AADF from previous year on this link 17,258 13,891 2,630 608 24 77 53
2020 Estimated using AADF from previous year on this link 15,711 12,608 2,413 566 29 73 51
2019 Estimated using AADF from previous year on this link 20,157 16,599 2,734 644 26 98 81
2018 Manual count 19,980 16,393 2,758 644 23 105 80
2017 Estimated using AADF from previous year on this link 23,159 18,269 3,782 882 50 125 100
2016 Estimated using AADF from previous year on this link 23,103 18,405 3,592 875 52 124 108
2015 Estimated using AADF from previous year on this link 22,513 18,122 3,289 860 56 126 116
2014 Estimated using AADF from previous year on this link 22,693 18,461 3,127 864 60 124 117
2013 Estimated using AADF from previous year on this link 22,430 18,654 2,746 803 62 117 110
2012 Manual count 22,516 18,761 2,715 807 62 117 117
2011 Estimated using AADF from previous year on this link 26,522 21,949 3,529 815 23 125 104
2010 Estimated using AADF from previous year on this link 26,516 22,060 3,423 811 21 118 104
2009 Manual count 27,017 22,533 3,406 851 21 128 99
2008 Estimated using AADF from previous year on this link 28,445 22,952 4,135 1,030 11 197 131
2007 Estimated using AADF from previous year on this link 28,764 23,396 3,949 1,077 11 211 131
2006 Manual count 29,613 24,550 3,620 1,098 17 209 136
2005 Estimated using AADF from previous year on this link 26,813 22,026 3,362 1,110 21 218 97
2004 Estimated using AADF from previous year on this link 27,346 22,591 3,276 1,165 25 216 98
2003 Estimated using AADF from previous year on this link 27,363 22,546 3,306 1,161 32 245 105
2002 Manual count 27,346 22,866 3,033 1,111 35 218 118
2001 Estimated using AADF from previous year on this link 27,223 23,157 2,801 880 30 242 143
2000 Estimated using AADF from previous year on this link 26,794 22,703 2,812 904 32 234 141

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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 27988 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 27988 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. 144

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