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Road traffic statistics

18226

Details

AADF latest year 2021
Region South East
Local authority Windsor and Maidenhead
Road name A308
Road type Major
Start junction road A4
End junction road Grenfell Rd/King St
Link length 0.50km (0.31 miles)
Easting & Northing 488630,181010
Latitude & longitude 51.52107,-0.72394

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
2021 Estimated using AADF from previous year on this link 22,542 19,129 2,574 435 101 189 214
2020 Estimated using AADF from previous year on this link 20,515 17,363 2,362 404 124 178 207
2019 Estimated using AADF from previous year on this link 26,563 22,859 2,676 459 108 241 328
2018 Estimated using AADF from previous year on this link 26,315 22,576 2,700 458 99 257 325
2017 Manual count 26,553 22,827 2,650 458 89 260 358
2016 Estimated using AADF from previous year on this link 29,950 24,979 3,639 700 68 255 376
2015 Estimated using AADF from previous year on this link 29,268 24,596 3,331 674 73 260 406
2014 Estimated using AADF from previous year on this link 29,569 25,055 3,167 681 78 256 410
2013 Manual count 29,356 25,318 2,781 630 81 241 386
2012 Estimated using AADF from previous year on this link 28,470 24,837 2,661 368 85 172 431
2011 Estimated using AADF from previous year on this link 28,716 24,943 2,771 410 90 191 401
2010 Estimated using AADF from previous year on this link 28,749 25,068 2,688 412 81 180 401
2009 Manual count 29,280 25,605 2,675 422 81 196 382
2008 Estimated using AADF from previous year on this link 30,304 25,590 3,485 575 45 240 414
2007 Estimated using AADF from previous year on this link 30,670 26,085 3,328 590 40 257 410
2006 Manual count 31,699 27,372 3,050 596 64 255 426
2005 Estimated using AADF from previous year on this link 28,157 23,733 3,061 783 38 208 372
2004 Estimated using AADF from previous year on this link 28,723 24,340 2,983 815 45 206 379
2003 Estimated using AADF from previous year on this link 28,750 24,292 3,011 806 55 234 407
2002 Estimated using AADF from previous year on this link 28,812 24,637 2,762 749 62 208 456
2001 Estimated using AADF from previous year on this link 28,866 24,686 2,756 772 60 206 446
2000 Estimated using AADF from previous year on this link 28,390 24,202 2,767 784 63 199 438

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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 18226 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 18226 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. 22
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. 44
Raw counts Vehicle counts recorded at this count point. 96

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