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Gritting and snow clearance


  • Decisions are based on road temperatures, rather than air temperatures, and salting is likely whenever road temperatures are near freezing
  • Factors like moisture, heat retention and time of day or night will influence the decision
  • Treatment by salt is normally carried out after the evening peak traffic period or before the morning rush, this is because frost and ice do not normally affect road surfaces until late evening or early morning
  • Usually it takes two hours to complete a salting route
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With such a large road network, it would be unrealistic and uneconomic to attempt to treat all roads.

  • All key routes in Wiltshire will receive precautionary salting when ice is forecast. This will include all motorways, trunk roads, class A and B roads and the more important lower class roads
  • This should ensure the majority of road users live within a reasonable distance of a salted road. This network is under constant review and may be expanded during the current season
  • Please remember that the majority of minor roads will receive no treatment, and because arrangements may not always go according to plan, you should never assume a road has been salted
  • If temperatures are predicted to remain below freezing after the morning rush, then a larger network may be salted. This additional network includes mainly lower class roads serving housing estates and main accesses to villages and hamlets
  • During longer periods of cold weather ,we may instruct salting to deal with persistent ice on minor roads which are not included within the precautionary or community networks, and invoke arrangements with town and parish councils to take action in their area
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  • Our aim is to make the county’s roads as safe as possible for road users and to reduce delays caused by bad weather
  • We salt key routes when there is a risk of ice
  • The key routes in Wiltshire total a length of 1160km (725miles) which is 25% of the entire maintained road network
  • Using our fleet of specialist vehicles, we provide a 24 hour response in bad weather
  • A single precautionary salting treatment will cost, on average, £17,000
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  • We supply and maintain some 1600 salt bins located throughout the county
  • They are available for both residents and the travelling public for use on public roads and footpaths
  • Requests for refills can be made online or by calling 0300 456 0105

If you require further details, please contact your town and parish councils.

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  • In periods of prolonged snow the main snow clearing resources will be concentrated on priority routes until they have been opened sufficiently to maintain a reasonable traffic flow in both directions
  • Other roads are then treated in accordance with local priorities and conditions
  • Ploughing will commence as soon as there is sufficient depth to plough and it is apparent that snowfall is continuing
  • If heavy or continuous falls are predicted a snow emergency will be called and the Emergency Control Centre established. In this event, the county's entire fleet of gritters will be mobilised and supplemented with the council's owned snow blades and blowers that are allocated to local farmers or contractors
  • Footways (to include footways, pavements, cycle routes and cycleways) will only be treated in times of persistent ice or snow. When this occurs, salting and snow clearing will be confined to those footways where there is a high pedestrian usage
  • The time taken to clear footways will depend on the quantity of snow, the prevailing conditions and the available resources
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In Gritting and snow clearance

Latest tweets

13 HOURS AGO

A361 Beckhampton to Devizes is now open following recovery or the lorry

23 Feb 2018 13:31

19 HOURS AGO

To recover an overturned lorry, the A361 will be closed in both directions from 9.30am today (Friday 23 February) b… https://t.co/g8Wo13Mvlm

23 Feb 2018 07:17

1 DAY AGO

We currently have crews out treating our Primary Routes - #Thinkice and slow down on your journey, please remember… https://t.co/o3UVolRVVg

22 Feb 2018 21:05

8 DAYS AGO

RT @Tri_Force: Some very icy roads this morning please drive safely and lets leave the slidding on the ice to the professionals. #safedriv

16 Feb 2018 07:26

Last updated: 28 December 2017 | Last reviewed: 28 December 2017