Page:UK Traffic Signs Manual - Chapter 8 - Part 2- Traffic Safety Measures and Signs for Road Works and Temporary Situations) - Operations 2009.pdf/130

MOBILE LANE CLOSURE TECHNIQUE

Three vehicle or trailer-mounted signs are required on the hard shoulder in advance of the initial block vehicle that is positioned on the carriageway: 128
 * three vehicle or trailer-mounted signs to diagram 7402 showing supplementary plate "800 yds", "500 yds" and "200 yds" spaced at intervals of 250 m to 300 m starting 200 m to 250 m in advance of the initial block vehicle B; and
 * one block vehicle B carrying a light arrow sign (or sign to diagram 7403) 50 m – 100 m in advance of the working vehicle A carrying sign to diagram 7403.