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Road traffic statistics

81490

Details

AADF latest year 2016
Region West Midlands
Local authority Birmingham
Road name A4400
Road type Major
Start junction road A4540
End junction road A4400
Link length 0.90km (0.56 miles)
Easting & Northing 406900,286000
Latitude & longitude 52.47191,-1.89985

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 Manual count 18,331 15,752 1,559 437 154 134 450
2015 Estimated using AADF from previous year on this link 62,732 52,287 8,196 1,196 132 485 568
2014 Estimated using AADF from previous year on this link 63,319 53,265 7,792 1,213 142 477 573
2013 Manual count 62,797 53,823 6,843 1,143 146 448 540
2012 Estimated using AADF from previous year on this link 63,457 54,986 6,294 950 126 445 782
2011 Estimated from nearby links 64,023 55,220 6,554 1,028 133 493 728

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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 81490 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 81490 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. 6
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. 10
Raw counts Vehicle counts recorded at this count point. 48

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