Surface dressing
Surface dressing works take place each year between May and July across Aberdeenshire. This treatment is used on roads that are already in good condition or have recently been repaired. It helps to:
- Seal the existing surface from the ingress of water
- Improve skid resistance
- Extend the life of the road
Surface dressing is is a highly effective form of maintenance and is widely used by all local authorities.
How surface dressing works
The surface dressing process involves:
- Applying bitumen on the road and covering it with a layer of stone chips.
- The surface is then rolled, and slow-moving traffic helps embed the chips into the bitumen.
- Any excess loose chips are swept away within a couple of days.
- Further sweeping is carried out as needed to leave a smoother, more durable road surface with improved grip.
Safety after surface dressing
Even after sweeping, some stones can gather at the edges of the road and may be a hazard, especially for people on bikes or motorbikes. Loose stones can also be thrown up and damage windscreens if vehicles drive too fast.
To keep everyone safe during surface dressing, please:
- Follow the temporary lower speed limits
- Keep your distance from the vehicle in front
- Avoid sudden braking or sharp turns
- Avoid overtaking
Speed limits
During the surface dressing period, we receive many complaints largely caused by vehicles travelling too fast for the conditions. A 20mph temporary speed limit is in place, supported by road signs, until the surface has been swept sufficiently to remove excess chips.
These speed limits protect both road users and our crews. Driving too fast can cause skidding and throw up loose chips, risking injury or damage to people, vehicles and property. These limits are enforceable by Police Scotland.