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Road traffic statistics

81482

Details

AADF latest year 2020
Region East of England
Local authority Central Bedfordshire
Road name A421
Road type Major
Start junction road LA Boundary
End junction road A421 North before M1
Link length 2.80km (1.74 miles)
Easting & Northing 495486,237409
Latitude & longitude 52.0269,-0.60966

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
2020 Manual count 23,905 16,219 4,696 2,917 3 23 50
2019 Estimated using AADF from previous year on this link 29,375 22,101 4,040 3,041 2 127 66
2018 Manual count 29,323 22,053 4,053 3,031 1 118 67
2017 Estimated using AADF from previous year on this link 25,413 18,939 3,734 2,582 6 114 43
2016 Estimated using AADF from previous year on this link 25,185 18,962 3,529 2,532 6 118 44
2015 Manual count 24,673 18,730 3,268 2,514 6 118 44
2014 Estimated using AADF from previous year on this link 28,669 22,018 3,971 2,501 3 116 64
2013 Manual count 27,936 21,522 3,699 2,545 3 112 57
2012 Estimated using AADF from previous year on this link 17,547 12,567 2,527 2,313 0 69 71
2011 Estimated from nearby links 17,548 12,658 2,427 2,322 0 71 70

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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 81482 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 81482 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. 10
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. 20
Raw counts Vehicle counts recorded at this count point. 96

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