Hertfordshire traffic profile for 2000 to 2016

Download all street-level traffic data for Hertfordshire from 2000 to 2016. About traffic data.

Traffic figures at the regional and national level are robust, and are reported as National 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.

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 two columns - Estimation_method and Estimation_method_detailed – 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.


Total traffic on major roads, in thousand vehicle miles, from 2000 to 2016

Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Count points 301 300 300 300 300 299 300 295 295 295 295 295 295 295 299 299 299
Pedal Cycles 4,857 4,911 5,159 5,102 5,222 4,536 5,948 4,478 5,948 6,279 6,433 6,752 6,107 5,971 5,695 5,833 5,709
Motorcycles 38,952 40,690 39,588 41,963 37,340 37,191 37,420 36,396 35,587 34,540 31,707 31,874 29,604 29,875 30,451 30,383 29,573
Cars 3,594,152 3,702,676 3,776,925 3,731,089 3,801,780 3,729,397 3,774,221 3,653,477 3,688,245 3,717,174 3,583,722 3,754,468 3,856,412 3,881,851 3,971,801 4,046,939 4,117,356
Buses & Coaches 28,247 29,387 27,594 27,533 26,261 25,786 27,315 25,013 23,751 23,299 24,264 23,898 23,827 23,452 23,646 23,128 21,869
Light Goods Vehicles 482,688 513,982 488,348 491,427 536,133 560,332 600,240 618,175 618,033 621,563 613,049 644,477 644,771 661,293 718,324 761,020 782,163
All HGVs 338,914 339,110 362,391 362,230 375,709 348,941 339,939 346,701 322,689 303,278 304,449 308,044 300,334 312,730 324,617 352,318 356,152
All Motor Vehicles 4,482,952 4,625,843 4,694,846 4,654,242 4,777,223 4,701,644 4,779,132 4,679,762 4,688,306 4,699,856 4,557,191 4,762,761 4,854,957 4,909,206 5,068,838 5,213,788 5,307,111

All motor vehicles on major roads 2000 to 2016

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