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<p>Dobwalls Bypass opened to traffic in December 2008 and included the construction
of two purpose built bat bridges: Havett Farm Bridge and Lantoom Quarry Bridge. Sample
monitoring of the effectiveness of the bridges has been undertaken. The surveys recorded
23 bat crossings over two days in June 2008, compared to a total of 39 bat crossings
over two days in July 2014. The results of the surveys are not directly comparable
as they were conducted in different months and at different times of day.</p>
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