Missing Camera Warning Sign
Summary
Camera enforcement PCNs depend on the lawful operation of approved devices. The Traffic Signs Regulations and General Directions 2016 require a camera warning sign (diagram 878) to be displayed in advance of any camera enforcement point. DfT Circular 1/2007 confirms cameras should be signed to provide fair warning to motorists. Where no adequate camera warning sign is visible on approach, the enforcement camera may not have been operated in accordance with its approved operational requirements. Success rate is approximately 60% where the absence of warning signage is documented.
Legal Basis
Traffic Signs Regulations and General Directions 2016 (SI 2016/362): camera warning signs (diagram 878) are required to provide advance notice of a camera enforcement device. DfT Circular 1/2007: cameras should be signed to provide fair warning to motorists. Traffic Management Act 2004, Section 87: approved devices must be used in accordance with the guidance under which they are approved.
When This Defense Applies
This defense applies where no camera warning sign (TSRGD diagram 878) is visible on the approach route to the enforcement camera, or where the warning sign is present but obscured by other signage, foliage, or positioning issues that make it ineffective as a warning. It also applies where the distance between the last warning sign and the enforcement camera is too short to allow any corrective action by a driver.
Evidence Required
Document the approach route carefully:
- Photos showing the absence of camera warning sign (diagram 878) before the enforcement point
- Google Street View evidence showing no camera warning on approach
- Measurement or estimate of distance between last camera warning sign and enforcement camera
- Photos of any partially obscured warning signs
Win Rate
Approximately 60% success where absence or inadequacy of camera warning signage is documented. Councils often maintain that warning signs were in place — photographic evidence from around the date of the contravention is critical.
Operator-Specific Patterns
Westminster City Council: Dense signage environment where camera warnings can be obscured by clusters of other signs. Birmingham City Council: Newer camera installations — check whether warning signs were erected simultaneously with the camera or whether there was a gap.
Sources
- Traffic Signs Regulations and General Directions 2016 (SI 2016/362)
- DfT Circular 1/2007
- Traffic Management Act 2004, Section 87
Frequently Asked Questions
- What does diagram 878 look like?
- TSRGD 2016 diagram 878 is a rectangular sign on a white background with a camera symbol and the text indicating speed camera or enforcement camera ahead. The specific legend varies by enforcement type. It must be placed in advance of the camera, not at the camera itself.
- Is a general 'speed camera' sign enough for a bus lane or yellow box camera?
- The requirement is for a camera warning sign appropriate to the enforcement type. A generic speed camera warning may not satisfy the requirement for a bus lane enforcement camera. Check that the sign on approach refers to the relevant type of enforcement.
- The council says the sign was there — how do I prove it wasn't?
- Your photographic evidence and Google Street View are the tools available. Request that the council produce their own evidence of the sign's location and condition at the date of the contravention. If they cannot produce dated photographs of the warning sign, that gap in their evidence supports your case.
- Does this defense work for speed cameras outside of TSRGD?
- Speed camera enforcement for criminal prosecution is separate from civil traffic enforcement. The TSRGD and TMA 2004 framework applies to civil enforcement of bus lanes, yellow boxes, and moving traffic contraventions. Speed camera prosecutions under the Road Traffic Offenders Act are handled differently.
Related
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