HADECS
HADECS or Highways Agency Digital Enforcement Camera System is a type of speed camera on roads in England, operated by National Highways.
History[edit]
The HADECS camera was introduced in 2012.[1]
HADECS cameras have been introduced to enforce variable speed limits (VSLs) as found commonly on managed motorways - hard shoulder running in peak traffic flows.
Hadecs 3[edit]
Hadecs 3 was introduced on the M25 in Kent in April 2014, becoming active on 22 October 2014.
 Redflex HADECS3 on M42 | |
| Manufacturer | Redflex Holdings |
|---|---|
Two manufacturers currently hold Home Office Type Approval to supply equipment for the HADECS 3 system, those being Redflex Holdings and Dynniq.[2]