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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.

Highway surface box

Features

  • Independently tested by a UKAS-accredited laboratory to achieve a PSRV value of 70+ on the chequer surface.

    PSRV tested
  • Built-in lifting points allow safe mechanical lifting, reducing manual handling and improving on-site safety.

    Mechanical lifting point
  • Enlarged corners spread loads evenly across the foundation, enhancing reliability and lifespan.

    Enlarged frame corners
  • Safety keyways prevent accidental lifting key disengagement during handling for safer operation.

    Safety keyway

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

Related case studies

Related case study

Ensuring a smooth commute between Northern Ireland’s biggest cities

The Department for Infrastructure in Northern Ireland committed to funding a £185m ‘flagship’ infrastructure project to upgrade the A6, with the aim of reducing congestion and improving road safety. Richard Stewart, Regional Director ‑ UK North & Ireland at Wrekin Products, explains how a combination of excellent service and just in time deliveries secured an exciting opportunity to supply Highway® manhole covers and gully grates to such a significant project.

Department for Infrastructure Graham Construction Farrans
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Related case study

Aberdeen Western Peripheral Route (AWPR)

The Aberdeen Western Peripheral Route (AWPR) will provide a new strategic road link to improve travel in and around Aberdeen and the north east of Scotland. It will take through traffic out of the “Granite City”. Linking Stonehaven at its southern end with Tipperty at the north, the bypass had been built by the Connect Roads consortium, consisting of Balfour Beatty, Carillion and Galliford Try (Morrison Construction).

Transport Scotland /Aberdeen City and Aberdeenshire Councils
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