HADECS or Highways Agency Digital Enforcement and Compliance System is a type of

speed camera In kinematics, the speed (commonly referred to as ''v'') of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a non-negative scalar quantity. Introdu ...

on roads in England, operated by

National Highways National Highways (NH), formerly Highways England and before that the Highways Agency, is a State-owned enterprise, government-owned company charged with operating, maintaining and improving Roads in England, motorways and major A roads in Eng ...

History

The HADECS camera was introduced in 2012. HADECS cameras have been introduced to enforce variable

speed limit Speed limits on road traffic, as used in most countries, set the legal maximum speed at which vehicles may travel on a given stretch of road. Speed limits are generally indicated on a traffic sign reflecting the maximum permitted speed, express ...

s (VSLs) as found commonly on managed motorways -

hard shoulder A shoulder (American English), hard shoulder (British English) or breakdown lane (Australian English) is an emergency stopping lane by the verge on the outer side of a road or motorway. Many wider freeways, or expressways elsewhere have should ...

running in peak traffic flows.

Hadecs 3

Hadecs 3 was introduced on the M25 in

Kent Kent is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Essex across the Thames Estuary to the north, the Strait of Dover to the south-east, East Sussex to the south-west, Surrey to the west, and Gr ...

in April 2014, becoming active on 22 October 2014. Two manufacturers currently hold

Home Office Type Approval A traffic enforcement camera (also a red light camera, speed camera, road safety camera, bus lane camera, depending on use) is a camera which may be mounted beside or over a road or installed in an enforcement vehicle to detect motoring offense ...

to supply equipment for the HADECS 3 system, those being

Redflex Holdings Redflex Holdings is a traffic technology company that provides Traffic enforcement camera, vehicle monitoring and enforcement services for government, police, and traffic departments globally. In 2021, Redflex was acquired by the American NASDAQ ...

and Dynniq.

References

{{reflist

External links

BBC January 2015

Type Approval Orders FOI
Cameras introduced in 2012 2012 establishments in the United Kingdom Automatic number plate recognition Speed camera types used in the United Kingdom