Mobile works are carried out from a vehicle moving significantly more slowly than the prevailing traffic speed and involve continuous mobile operations. They will include activities such as grass cutting, hedge cutting and weed spraying.
Mobile works on a single carriageway road Notes
For dimension D see table in the
Setting out site section of this Code. Or permitted variants.
Where a risk assessment determines that it is necessary to display signs on the working vehicle, they must comply with TSRGD (TSR (NI) in Northern Ireland).
Mobile works on a dual carriageway with a speed limit of 40 mph of less Notes
Or permitted variants.
The need to place signs in the central reservation must be assessed before you proceed and you should consult your
supervisor, manager or other competent person. It is recommended that, on dual carriageways, works are carried out with an impact protection vehicle to safeguard operatives.
Where a risk assessment determines that it is necessary to display signs on the vehicles, they must comply with TSRGD (TSR (NI) in Northern Ireland). For offside closures, it is strongly recommended that vehicle-mounted signs are provided.