Finally, in 2000 that the current force boundaries came into place with the addition of Hertsmere and Broxbourne, transferred from the Metropolitan Police.
The three forces formed joint units in counter terrorism, major crime, dogs, firearms, SOCO, roads policing, operation planning, civil contingencies, ICT and professional standards.
Ultimately, the decision for any full merger of the three forces will be in the hands of the Police and Crime Commissioners, and thereby in turn, the public themselves.
The county is sub-divided into ten divisions, also known as Community Safety Partnerships (CSP), which broadly correspond to the local Borough and Council areas.
Each CSP has: Local policing is supplemented by an array of specialist units, some of which are collaborated with Bedfordshire and Cambridgeshire.