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Road traffic statistics

81485

Details

AADF latest year 2020
Region East of England
Local authority Central Bedfordshire
Road name A421
Road type Major
Start junction road Rounabout south of M1 and flyover
End junction road Roundabout south of M1
Link length 1.00km (0.62 miles)
Easting & Northing 495796,237614
Latitude & longitude 52.02869,-0.60509

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 Estimated using AADF from previous year on this link 11,671 8,013 2,040 1,568 1 32 17
2019 Estimated using AADF from previous year on this link 16,415 11,926 2,567 1,839 1 55 29
2018 Estimated using AADF from previous year on this link 16,329 11,826 2,576 1,844 1 54 30
2017 Manual count 16,227 11,866 2,460 1,819 1 52 31
2016 Estimated using AADF from previous year on this link 18,556 13,769 3,111 1,536 14 99 41
2015 Estimated using AADF from previous year on this link 17,882 13,369 2,880 1,497 11 95 40
2014 Estimated using AADF from previous year on this link 17,106 12,978 2,591 1,404 12 92 41
2013 Manual count 16,648 12,686 2,414 1,423 14 89 37
2012 Estimated using AADF from previous year on this link 27,921 20,024 4,542 3,141 2 138 76
2011 Estimated from nearby links 27,841 20,169 4,362 3,093 2 142 75

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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 81485 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 81485 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. 48

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