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CD 534: Chamber Tops and Gully Tops for Road Drainage and Services, now at version 0.2.0. is here Find out more

A solution for every scenario

Highway D400 Surface Boxes

Highway D400 surface box is suitable for use in the carriageway. Featuring standard Highway features such as, indexed covers, enlarged frame corners and is 70+ PSRV tested.

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Highway surface box

Features

Surface boxes

Stock code Range Clear opening
(mm)		 Overall frame
(mm)		 Frame depth
(mm)		 Options My Wrekin Downloads
DBT0D4/4428/KH Highway 445 x 280 680 x 515 100

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