Page:UK Traffic Signs Manual - Chapter 8 - Part 1 (Traffic Safety Measures and Signs for Road). Designs 2009.pdf/207

DUAL CARRIAGEWAY ROADS

The works zone starts at the beginning of the longitudinal safety zone and continues to the end of the works area.

For full contra-ﬂow layouts the works area should include a continuous and unobstructed emergency route through the site, available for use at all times.

List of plans:

Plan DZD1 Works zone for a full lane closure on a dual carriageway road with a permanent speed limit of 40 mph or less

Plan DZD2 Works zone with the running lane on the same carriageway

Plan DZD3 Works zone showing a buffer lane

Plan DZD4 Works zone showing a buffer zone

Plan DZD5 Works zone with narrow lanes

Plan DZD6 Works zone including a junction (primary carriageway)

Plan DZD7' Works zone including a junction (secondary carriageway) 206