4.—(1) A legend provided for in sub-paragraph (2) may be displayed on a variable message sign in conjunction with—
(a)a legend provided for in Part 4;
(b)a legend provided for in Part 5; or
(c)a combination of a legend provided for in Part 4 and a legend provided for in Part 5.
(2) The legends are—
(a)“ACCIDENT”;
(b)“ANIMALS”;
(c)a route number, a junction number or “EXIT” and “CLOSED”;
(d)“CONGESTION”;
(e)“DEBRIS”;
(f)“DELAYS”;
(g)“DIVERSION”;
(h)“EXIT CLOSED”;
(i)“FLOODS”;
(j)“FOG”;
(k)“FOG PATCHES”;
(l)“INCIDENT”;
(m)“LANE CLOSURE”;
(n)“LANE[S]” followed by a number or numbers and “CLOSED”;
(o)“LARGE LOAD”;
(p)“LONG DELAYS”;
(q)“MOBILE WORKS”;
(r)“MOTORWAY CLOSED”;
(s)“NO PHONES”;
(t)“OBSTRUCTION”;
(u)“PEDESTRIANS”;
(v)“QUEUE”;
(w)“ROAD CLOSED”;
(x)“ROAD WORKS”;
(y)“SKID RISK”;
(z)“SLIP ROAD CLOSED”;
(aa)“SMOKE”;
(bb)“SNOW”;
(cc)“SNOW PLOUGH”;
(dd)“SPRAY”;
(ee)“STRANDED VEHICLE”;
(ff)“[STRONG] WINDS”;
(gg)“[The name of a tunnel] TUNNEL CLOSED”;
(hh)“WEIGHT CHECK”;
(ii)“WORKFORCE”.
(3) The following legends may be displayed on their own or in conjunction with another legend as mentioned in sub-paragraph (1)—
(a)“[The name of a bridge] BRIDGE CLOSED”;
(b)“BUS LANE CLOSED”;
(c)“GRITTING IN PROGRESS”;
(d)“NEXT SERVICE AREA CLOSED”;
(e)“ONCOMING VEHICLE”;
(f)“SETTING OUT ROAD WORKS”;
(g)“SLOW MOVING LARGE LOAD”.
(4) In sub-paragraphs (2) and (3) square brackets are used to indicate the part of a legend which may be omitted.