A sign is recommended to give warning of a roundabout. On high-speed dual carriageway roads this should be supplemented by a plate bearing the words 'Reduce speed now' (paragraph 90).
Signs are recommended to give warning of bends. Where there are bends over a distance, this distance should be indicated by a supplementary plate. Further research should be done on the possibility of a notation on Bend signs to indicate the severity of the bend (paragraph 91).
A sign is recommended to indicate dangerous hills. It should be used at the top or at the foot of the hill as appropriate. When it is necessary to warn drivers to engage low gear or to keep in low gear, this should be indicated on plates below the sign. It should not be necessary for prior Ministerial approval to be given for use of these plates (paragraph 92).
Further warning signs are recommended to indicate road narrows, narrow bridge (paragraph 93), single file traffic, single track road (paragraph 95), hump bridge (paragraph 96), low bridge, low bridge at a given distance ahead or in the indicated direction (paragraph 97), the headroom of a bridge (paragraph 98), concealed level crossing ahead (paragraph 99), level crossing with gates (paragraph 100), unguarded level crossing (paragraph 101), trains cross here (paragraph 102), uneven rails (paragraph 104), swing bridge (paragraph 106), gate or gates across road (paragraph 107), ford (paragraph 108), try your brakes (paragraph 109), sharp deviation of route (this black and white chevron marked barrier should also be placed on roundabouts liable to be approached at high speed) (paragraph 110), two-way traffic (paragraph 111), school and children (experiments should be done to produce a sign which will give an emphatic warning at times when children are actually crossing a road) (paragraph 112), children crossing ahead (paragraph 113), pedestrian crossing ahead (paragraph 114), traffic signals ahead (paragraph 115), cattle and stray animals (the use of these signs should continue to be controlled by the Minister) (paragraph 116), cattle grid, by-pass to cattle grid (paragraph 117), road liable to subsidence (paragraph 118), overhead cables and load gauges (paragraph 122), slippery carriageway (paragraph 123), low flying aircraft (paragraph 124), quay or river bank (paragraph 125), falling rocks (paragraph 126), sudden side wind (paragraph 127), other danger (paragraph 128).
Single track roads with passing places should continue to be indicated by the present signs until these require to be replaced. An informatory sign in Protocol form should then be used (paragraph 105).
Special warning signs should not be used for homes for the aged or disabled (paragraph 121).
Continued use of the existing edge of carriageway hazard marker is recommended, but it should be permissible for it to carry a rectangular patch of reflecting material instead of reflecting studs. Wider use should be made,
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