Wingwall
Culvert, screen and outfall manual, (CIRIA C786) published by CIRIA in 2019, defines wingwalls as: ‘A pair of retaining walls often provided as an adjunct to a headwall, to support the channel banks at a culvert inlet or outlet and to form part of the transition from channel to culvert and vice versa.’
High Speed Rail (Crewe – Manchester) Environmental Statement, Glossary, abbreviations and references, published by the Department for Transport in 2022, defines a wing wall as: ‘A smaller wall attached or next to a larger wall or structure.’
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