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Road traffic statistics

37152

Details

AADF latest year 2016
Region South West
Local authority South Gloucestershire
Road name A420
Road type Major
Start junction road A4017
End junction road A4174
Link length 1.90km (1.18 miles)
Easting & Northing 365000,173840
Latitude & longitude 51.46244,-2.50519

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
2016 Estimated using AADF from previous year on this link 14,146 11,121 2,383 236 162 138 267
2015 Manual count 13,797 10,950 2,182 236 174 142 289
2014 Estimated using AADF from previous year on this link 13,155 9,818 2,607 299 108 175 255
2013 Estimated using AADF from previous year on this link 12,738 9,559 2,438 293 111 183 265
2012 Estimated using AADF from previous year on this link 12,696 9,644 2,345 288 113 164 253
2011 Estimated using AADF from previous year on this link 12,806 9,797 2,318 286 119 172 233
2010 Estimated using AADF from previous year on this link 12,633 9,827 2,077 278 108 204 247
2009 Estimated using AADF from previous year on this link 12,531 9,887 1,945 267 108 214 218
2008 Estimated using AADF from previous year on this link 12,292 9,674 1,917 289 108 192 220
2007 Estimated using AADF from previous year on this link 12,515 9,892 1,878 292 96 200 253
2006 Estimated using AADF from previous year on this link 12,637 10,052 1,783 313 154 210 279
2005 Manual count 12,880 10,247 1,757 335 98 241 300
2004 Estimated using AADF from previous year on this link 14,602 11,115 2,590 416 45 243 238
2003 Estimated using AADF from previous year on this link 14,334 10,973 2,353 347 55 370 291
2002 Manual count 14,475 11,394 2,166 356 62 260 299
2001 Estimated using AADF from previous year on this link 13,858 10,907 1,967 400 112 241 343
2000 Estimated using AADF from previous year on this link 14,188 11,256 1,954 420 117 230 328

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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 37152 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 37152 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. 17
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. 34
Raw counts Vehicle counts recorded at this count point. 72

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