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Speed limits and enforcement

When introducing a speed limit, we have to consider:

  • the suitability of the limit and the set up of the road
  • historical road safety issues and accident data, areas with recorded incidents will be prioritised
  • the cost of introducing a new speed limit.

An inappropriate limit tends to be disregarded by drivers, so careful consideration must be made to set the right limit for a particular stretch of road. We cannot introduce a speed limit for single entities, such as at a junction, a sharp bend or on a steep hill.

Read the national guidance on speed limits.

We are only able to make very minimal changes to speed limits, which are carried out on a priority basis.

Requests for amendments to an existing speed limit, or the introduction of a new limit, must be made through to us by email to

Enforcing speed limits

Dorset Police are responsible for enforcing speed limits. If you believe that there is a genuine speed issue, with vehicles speeding on a regular basis then you should report it to the local police.

Further information and advice about speed limits and penalties:

More information about road safety.


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