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Road traffic statistics

81488

Details

AADF latest year 2020
Region West Midlands
Local authority Birmingham
Road name A4400
Road type Major
Start junction road A456/A457 roundabout
End junction road A38
Link length 0.80km (0.50 miles)
Easting & Northing 406760,286496
Latitude & longitude 52.47637,-1.9019

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 22,168 18,805 2,375 450 80 352 187
2019 Estimated using AADF from previous year on this link 28,348 24,840 2,358 511 70 190 449
2018 Estimated using AADF from previous year on this link 28,072 24,532 2,379 515 63 203 444
2017 Manual count 28,347 24,805 2,335 512 57 205 490
2016 Estimated using AADF from previous year on this link 23,334 20,284 2,324 423 65 124 179
2015 Estimated using AADF from previous year on this link 22,837 19,972 2,127 418 70 127 193
2014 Manual count 23,113 20,345 2,022 426 75 125 195
2013 Manual count 74,967 64,483 8,590 1,105 90 425 364
2012 Estimated using AADF from previous year on this link 73,992 63,974 8,045 1,182 53 331 460
2011 Estimated from nearby links 74,713 64,246 8,377 1,295 56 367 428

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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 81488 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 81488 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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