![Security cameras overlooking London Heathrow Airport, with fuel storage tanks and parked airliners in background Stock Photo - Alamy Security cameras overlooking London Heathrow Airport, with fuel storage tanks and parked airliners in background Stock Photo - Alamy](https://c8.alamy.com/comp/BDR2CN/security-cameras-overlooking-london-heathrow-airport-with-fuel-storage-BDR2CN.jpg)
Security cameras overlooking London Heathrow Airport, with fuel storage tanks and parked airliners in background Stock Photo - Alamy
![Security cameras overlooking London Heathrow Airport, with fuel storage tanks and parked airliners in background Stock Photo - Alamy Security cameras overlooking London Heathrow Airport, with fuel storage tanks and parked airliners in background Stock Photo - Alamy](https://c8.alamy.com/comp/BDR2D9/security-cameras-overlooking-london-heathrow-airport-with-fuel-storage-BDR2D9.jpg)
Security cameras overlooking London Heathrow Airport, with fuel storage tanks and parked airliners in background Stock Photo - Alamy
![Craig on Twitter: ".@Westcotec_Ltd Are your cameras installed around @HeathrowAirport actually legal speed cameras or merely speed advisory and reporting devices? It seems there's no road markings, minimal signage and the 15mph Craig on Twitter: ".@Westcotec_Ltd Are your cameras installed around @HeathrowAirport actually legal speed cameras or merely speed advisory and reporting devices? It seems there's no road markings, minimal signage and the 15mph](https://pbs.twimg.com/media/D6c0zsVWkAARLvD.jpg:large)