We have compiled a list of links to different websites that contain information that may be of interest to those who work for us or just those who are curious about traffic and transport surveys.


The main TRICS website is

Of particular interest within the site are the following pages:

Department for Transport (DfT)

Within the Department's websites, the following pages relate to the National Road Traffic Census and it's uses:

  • Road traffic and speeds statistics . This is the main area for the publication of the results of the Census - quarterly and annually.
  • DfT Matrix site. This includes access to the Annual Average Daily Flow (AADF) values for all Census Points in the UK.

Roadworks & Incidents

Inevitably, we are effected by roadworks and incidents. The provision of information about these are getting better and better. Some of the sites we have found useful are as follows:

London (Summer 2011)
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