Trailers need to have red rear position lights (tail lights), they should also have two red rear reflectors and a number plate light. Beacons must be capable of emitting a flashing or rotating beam of light throughout 360 degrees and every warning beacon must be fitted so that the centre of the lamp is not less than 1.2m above the ground. If equipment covers the lights i.e. mounted or trailed equipment, then extra lights must be fitted to the equipment. These will normally have been taken into consideration by the tractor manufacturer, but if you are unsure or you have modified the vehicle in some way or you need to fit lights to compensate for covered or obscured lights on the towing vehicle you can call NFU CallFirst on 0370 845 8458. Amber beacons

Using work lights at the front of the vehicle can dazzle other motorists even when they are pointed down as they are in such a high position; it is also an offence because they are in the wrong position for road use. Under no circumstances must a unidirectional light be fitted that could be mistaken for an indicator light. Trailer lights The trailer should have front position lights fitted if the trailer is more than 1.6 metres wide or is less than 2.3 metres in length and first used before 1 October 1985.

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If headlamps are fitted, they must be lit during daylight hours if the visibility becomes adverse due to fading light or poor weather.

There are also regulations covering the height of the lamps and reflectors from the ground, the distance from the side of the vehicle, separation distances and dimensions of lamps. All agricultural motor vehicles must be fitted with two red lamps to the rear and two white lamps to the front.

They must have brake lamps, dipped beam headlamps, main beam headlamps, direction indicators, hazard warning signals and rear fog lamps. Lamps and reflectors