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Road traffic statistics

27722

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A4145
Road type Major
Start junction road Chenies Way
End junction road A4178 roundabout
Link length 2.10km (1.30 miles)
Easting & Northing 510055,195708
Latitude & longitude 51.64941,-0.41065

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 6,172 4,842 1,066 119 35 37 109
2023 Estimated using AADF from previous year on this link 6,079 4,770 1,047 118 34 36 108
2022 Estimated using AADF from previous year on this link 5,975 4,681 1,029 120 35 36 107
2021 Estimated using AADF from previous year on this link 5,582 4,383 950 116 39 33 100
2020 Estimated using AADF from previous year on this link 5,086 3,978 871 108 48 31 96
2019 Estimated using AADF from previous year on this link 6,543 5,238 987 123 42 43 153
2018 Manual count 6,489 5,173 996 124 38 45 151
2017 Estimated using AADF from previous year on this link 9,279 7,352 1,611 171 69 23 121
2016 Estimated using AADF from previous year on this link 9,261 7,407 1,530 171 72 23 130
2015 Estimated using AADF from previous year on this link 9,027 7,293 1,401 169 77 23 140
2014 Estimated using AADF from previous year on this link 8,820 7,152 1,336 176 83 27 130
2013 Estimated using AADF from previous year on this link 8,547 6,963 1,249 172 86 28 135
2012 Estimated using AADF from previous year on this link 8,550 7,025 1,202 169 87 25 129
2011 Estimated using AADF from previous year on this link 8,636 7,136 1,188 167 92 26 119
2010 Manual count 8,544 7,158 1,065 164 83 31 126
2009 Estimated using AADF from previous year on this link 6,402 5,023 1,034 229 47 39 77
2008 Estimated using AADF from previous year on this link 6,295 4,915 1,018 250 47 35 77
2007 Estimated using AADF from previous year on this link 6,397 5,025 997 249 42 37 89
2006 Estimated using AADF from previous year on this link 6,460 5,107 947 270 66 38 98
2005 Estimated using AADF from previous year on this link 6,568 5,206 933 280 42 44 105
2004 Estimated using AADF from previous year on this link 6,756 5,457 875 259 49 53 112
2003 Estimated using AADF from previous year on this link 6,612 5,387 795 213 62 81 136
2002 Manual count 6,743 5,594 732 220 69 57 140
2001 Estimated using AADF from previous year on this link 4,569 3,621 604 157 39 42 145
2000 Estimated using AADF from previous year on this link 4,680 3,737 600 164 41 40 139

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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 27722 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 27722 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. 72

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