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Speed Indicator Devices


Information on Speed Indicator Devices and how to request one in your area.

Speed Indicator Devices (SIDs) raise driver awareness of local speed limits. 

Dorset County Council supports local communities wanting to own and deploy their own SIDs. For information on how to request a SID, view the criteria flow chart (pdf, 307kb) (opens in a new window).

If you would like to know more about the community-owned SID programme, please contact the Transport Planning Team.

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