Motorway Incident Detection and Automatic Signalling: Difference between revisions

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The system replaced the Automatic Incident Detection '''(AID)''' system which was trialled in 1989 on an {{convert|83|km|0}} section of the [[M1 motorway]].<ref name="hacost" /> MIDAS was first installed on the M25 in 1997, after this section already had the [[variable speed limit]].
 
By March 2006, the [[Highways Agency]] aimsaimed to have MIDAS installed on more than {{convert|910|km|0}} of the English motorway network.{{specify|date=December 2011}}
 
==See also==