accompany the sign it the entrance to the by-pass is reasonably close to the grid. Otherwise a duplicate sign to diagram 552 plated with 553 should be placed at the entrance, with a plate to diagram 572 mounted directly below the triangular sign indicating the distance to the grid. If the grid is in another road, the advance warning sign should be accompanied by the plate to diagram 573.
FARM TRAFFIC
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May be used only in combination with the plate to diagram 553.2
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May be used only in combination with diagram 553.7. "Farm traffic” may be varied to "Wide vehicles" or "Tractors turning". The word "for" and a distance may be added
10.16 The sign to diagram 553.1 may be used wherever farm tractors or other agricultural vehicles frequently travel in the road at low speed, turn into or out of an entrance or cross a road. It may be particularly appropriate where visibility of an access or of turning vehicles is inadequate, or such vehicles turn unexpectedly across high-speed roads. The sign must always be used with a plate to diagram 553.2, which may read "“Farm traffic", "Wide vehicles" or "Tractors turning". Where there are two entrances between which vehicles regularly travel, an indication of the distance over which the hazard extends may be added to the plate, eg. "for 250 yds", in accordance with Appendix C.
GATES 10.17 The sign to diagram 554 (see section |11) may be varied to “Gate” or “Gates” as appropriate when used in a road which has gates installed, usually for the control of farm animals. As drivers are likely to have to stop in order to open the gate, the signs should normally be supplemented by a distance plate to diagram 572 or 573. A plate to diagram 570, eg. "For 2 miles" may be used with the variant “Gates”.
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