SINGLE VEHICLE WORKS AND INSPECTION STOPS
SINGLE VEHICLE WORKS ON SINGLE CARRIAGEWAY ROADS, BASIC LAYOUT
O8.1.20 The principles are illustrated in Plan SVW1.
Two advance signs are required:
- a "road works" sign (7001) with a “distance over which hazard extends” supplementary plate (570) on near side only in both directions. A supplementary plate to diagram 7001.1, showing the type of mobile operation taking place (see Table 4.1 in Part 1: Design), "for" and a distance, may be used in place of the plate to diagram 570; and
- a "road narrows" sign (517) with supplementary plate "Single file traffic" (518) on near side only in both directions.
Additional signs may be required to suit the carriageway alignment and at junctions.
Working vehicle signing:
- a "keep right" sign (610) to the rear of the working vehicle attached in accordance with regulation 14(1) or a sign to diagram 7403 (see paragraph O8.1.6); and
- optionally, "keep left" sign (610) to the front of the working vehicle attached in accordance with regulation 14(1).
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