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Road traffic statistics

50503

Details

AADF latest year 2013
Region Wales
Local authority Neath Port Talbot
Road name M4
Road type Major
Start junction road 40
End junction road 39
Link length 3.00km (1.86 miles)
Easting & Northing 278410,188000
Latitude & longitude 51.57771,-3.7561

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
2013 Manual count 72,596 56,906 9,775 5,461 0 288 166
2012 Manual count 72,301 56,041 10,129 5,609 0 349 173
2011 Manual count 71,089 55,704 9,797 5,112 0 238 238
2010 Manual count 63,881 48,103 9,429 5,867 0 222 260
2009 Estimated using AADF from previous year on this link 78,687 62,439 10,454 5,281 0 208 305
2008 Estimated using AADF from previous year on this link 80,176 63,262 10,538 5,855 0 220 301
2007 Manual count 80,706 63,772 10,352 6,085 0 232 265
2006 Estimated using AADF from previous year on this link 67,340 52,714 8,743 5,238 0 413 232
2005 Manual count 67,033 52,980 8,272 5,211 0 323 247
2004 Estimated using AADF from previous year on this link 61,160 47,675 7,920 5,204 0 200 161
2003 Estimated using AADF from previous year on this link 59,539 46,878 7,340 4,894 0 181 246
2002 Manual count 57,856 45,557 6,997 4,891 0 183 228
2001 Manual count 59,287 46,509 7,356 4,956 0 231 235
2000 Manual count 53,730 42,111 6,056 5,094 0 162 307

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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 50503 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 50503 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. 14
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. 28
Raw counts Vehicle counts recorded at this count point. 216

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