In June 2008 Merseyside Police, Lancashire Constabulary and Cheshire Constabulary established the North West Motorway Police Group covering the motorways in their respective areas following the success of the CMPG.
It has been modelled on the successful Central Motorway Police Group which started in 1990 when West Midlands Police and West Mercia Constabulary formed a partnership to provide a dedicated policing unit for the motorways surrounding Birmingham.
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