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Road traffic statistics

48480

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A602
Road type Major
Start junction road A1155
End junction road B197
Link length 1.10km (0.68 miles)
Easting & Northing 524234,223049
Latitude & longitude 51.89216,-0.19604

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 25,088 21,900 2,803 132 170 165 88
2023 Manual count 24,706 21,573 2,754 131 168 160 88
2022 Estimated using AADF from previous year on this link 21,882 18,879 2,595 128 181 103 178
2021 Estimated using AADF from previous year on this link 20,451 17,675 2,394 123 202 94 165
2020 Estimated using AADF from previous year on this link 18,602 16,043 2,196 115 247 89 160
2019 Manual count 24,113 21,121 2,488 131 216 120 253
2018 Estimated using AADF from previous year on this link 21,561 18,348 2,741 171 194 123 178
2017 Estimated using AADF from previous year on this link 21,734 18,553 2,690 170 176 124 197
2016 Estimated using AADF from previous year on this link 21,749 18,690 2,556 170 183 123 211
2015 Manual count 21,264 18,403 2,340 168 197 125 227
2014 Estimated using AADF from previous year on this link 21,994 18,757 2,504 189 213 296 248
2013 Estimated using AADF from previous year on this link 21,840 18,954 2,199 175 219 278 234
2012 Estimated using AADF from previous year on this link 21,937 19,062 2,174 174 222 278 248
2011 Estimated using AADF from previous year on this link 22,139 19,143 2,264 193 235 308 231
2010 Manual count 22,150 19,240 2,196 193 213 290 231
2009 Estimated using AADF from previous year on this link 20,704 17,546 2,382 351 187 216 209
2008 Estimated using AADF from previous year on this link 20,836 17,831 2,199 364 187 229 213
2007 Estimated using AADF from previous year on this link 21,117 18,176 2,101 383 167 246 211
2006 Estimated using AADF from previous year on this link 21,849 19,072 1,925 390 268 243 219
2005 Estimated using AADF from previous year on this link 21,754 19,015 1,895 387 171 234 223
2004 Manual count 22,210 19,502 1,846 404 202 231 227
2003 Estimated using AADF from previous year on this link 31,841 27,569 2,853 599 155 460 360
2002 Manual count 31,946 27,960 2,618 555 174 410 403
2001 Estimated using AADF from previous year on this link 23,643 20,963 1,849 299 118 245 287
2000 Estimated using AADF from previous year on this link 23,229 20,552 1,856 304 123 236 281

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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 48480 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 48480 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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