D400 V-Profile Motorway Gully Grating complies with the Highways Agency Design Manual for Roads & Bridges Vol 4, Section 2, part 5. HA104/02. The D400 V-Profile motorway grating is designed to suit 1:5 slip formed concrete drainage channels found beside hard shoulders and central reservations of motorways.
For covers and gratings used in carriageways of roads (including pedestrian streets), hard shoulders and parking areas, for all types of road vehicles.