Working in partnership with a large multi-national infrastructure contractor, this extensive survey consisted of 47 ANPR survey cordon points across the A1 corridor in Lobley Hill, Gateshead.
Our client approached us in spring 2013 to undertake an extensive origin/destination survey using our cutting-edge ANPR equipment and software, and commissioned ATR on the basis of our experience and understanding of the required data, as well as our reputation for delivering high quality results on such a large scale.
The lead time for this survey was only three weeks, during which time ATR conducted a site visit and identified several challenges. The first was the safe deployment of staff and equipment over a relatively large area so that all cameras were set up and ready for the ‘go live’ time. To combat this, the survey area was split into several zones with each zone assigned an experienced (10 years+) ANPR technician to lead a team of site staff. These teams then ensured that all cameras in their respective zones were set up the day before the survey date and programmed to the atomic clock so that all cameras across the entire survey area would start recording at the same time.
The second challenge was to minimise any downtime of equipment during the survey period. The allocated teams were responsible for checking and maintaining the cameras during the survey period to make sure all equipment was recording seamlessly thus maximising the quality of data captured.
The results of our efforts were gratifying. 98% of all number plates were captured, and overall we achieved an 89% match across sites, allowing for several small ‘holes’ in the large cordon.
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