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Road traffic statistics

81153

Details

AADF latest year 2019
Region East of England
Local authority Bedford
Road name A421
Road type Major
Start junction road A428(T)
End junction road A1(T)
Link length 7.60km (4.72 miles)
Easting & Northing 512500,253500
Latitude & longitude 52.16832,-0.35648

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
2019 Manual count 35,553 25,562 5,714 4,060 0 165 52
2018 Estimated using AADF from previous year on this link 36,602 26,260 5,937 4,174 0 188 43
2017 Manual count 36,363 26,349 5,670 4,120 0 179 44
2016 Estimated using AADF from previous year on this link 30,095 22,559 4,951 2,456 0 82 47
2015 Estimated using AADF from previous year on this link 29,016 21,904 4,585 2,403 0 79 46
2014 Estimated using AADF from previous year on this link 27,784 21,263 4,125 2,274 0 76 46
2013 Estimated using AADF from previous year on this link 27,053 20,784 3,843 2,312 0 74 41
2012 Manual count 27,063 21,035 3,619 2,298 0 70 40
2011 Estimated using AADF from previous year on this link 23,043 16,894 3,933 2,048 1 81 87
2010 Estimated using AADF from previous year on this link 23,103 16,996 3,844 2,094 1 83 86
2009 Estimated using AADF from previous year on this link 23,402 17,413 3,747 2,068 1 93 81
2008 Manual count 23,677 17,642 3,628 2,241 1 89 77
2007 Estimated using AADF from previous year on this link 24,984 19,894 3,035 1,752 12 192 111

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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 81153 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 81153 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. 13
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. 25
Raw counts Vehicle counts recorded at this count point. 96

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