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Area 6 Annual Safety Reports

The Area 6 Annual Safety Reports are prepared to assist us with the monitoring of our area of the network, namely:

  • A11 between the M11 and A47
  • A12(S) between M25 Junction 28 and Ipswich
  • A12(N) between Great Yarmouth and Lowestoft
  • A14 between the Girton Road Overbridge, Cambridge and Felixstowe
  • A47 between Peterborough and Great Yarmouth
  • A120(W) just east of Stansted to Marks Tey (A12)
  • A120(E) Colchester to Harwich

These Reports provide us with a rolling three-year accident analysis for each route, broken down into personal injury accidents (PIAs), slight, serious and fatal. We do not record damage only accidents. These accidents and PIAs are then broken down into "clusters".  A cluster is defined as a length of a route up to approximately 100 metres in length within which four or more personal injury accidents have occurred in the three-year period.

The clusters are given a ranking determined by the number of accidents and number of fatal and serious personal injuries and would be the order in which the clusters are recommended to be investigated, if appropriate and usually the worst first. 

The Annual Safety Reports also provide us with data showing the effectiveness of improvement work already carried out. For example, the partial signalisation of the A12/A120 Crown Interchange was completed in May 2004. For the three-year period prior to completion there were seven recorded injury accidents.  In the 24 months since completion, there have been no recorded injury accidents.

We are also able to compare each route's statistics with the national averages and determine a route's progress towards Government's accident reduction targets.

The Annual Safety Reports for the A11; A12 North; A12 South; A120 East; A120 West; A14; and A47 are available below.

You may find references in the reports to Annex 1 and Appendices A and B. These are not available on this website and are not available to the general public.  This is because they contain specific accident related data, which could be used to identify individuals involved. 

A11 Trunk Road in Cambridgeshire, Suffolk and Norfolk (PDF 451KB)
Annual Safety Report - November 2007

A12 North Trunk Road in Norfolk and Suffolk (PDF 225KB)
Annual Safety Report - November 2007

A12 (South) Trunk Road in Essex and Suffolk (PDF 304KB)
Annual Safety Report - Noveber 2007

A120 (East) Trunk Road in Essex (PDF 372KB)
Annual Safety Report - November 2007

A120 (West) Trunk Road in Essex (PDF 385KB)
Annual Safety Report - November 2007

A14 Trunk Road in Cambridge and Suffolk (PDF 835KB)
Annual Safety Report - November 2007

A47 Trunk Road in East Anglia (PDF 386KB)
Annual Safety Report - November 2007