The butterfly handbook. General advice note on mitigating the impacts of roads on butterfly (BUT1)

Road verges can help conserve butterflies and other wildlife as they are an opportunity to provide suitable breeding habitats for many species, and provide crucial links between the patches of habitat that remain.
This report is a general advice note on mitigating the impacts of roads on butterfly populations. It includes a case study on mitigation for the Marsh Fritillary butterfly along the A30 Bodmin to Indian Queens road improvement scheme.
Please note; this document is published for historic and research purposes.