Gatso Speed Camera on M4 Junction 3, Harlington / Heston (40mph)
This Gatso speed camera is located on M4 Junction 3 near Harlington / Heston in Greater London, monitoring eastbound traffic with a 40mph speed limit.
Located just before M4 jct 3 (A312 exit) on the eastbound carriageway. Speed camera on left hand side of road where inside lane is 'slip' and middle/outside are M4 lanes.
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Location reference: GL068
Many drivers are caught at speed camera locations like this after misjudging the transition between speed limits or failing to notice the camera in time. A speed camera detector gives you advance warning before you reach known fixed and mobile camera locations.
Speed camera detectors - stay informed on every journey
A speed camera detector alerts you as you approach known fixed and mobile camera locations like this one - giving you time to check your speed before you reach the enforcement zone. Speed camera detectors are completely legal in the UK. All detectors are available from ActiveGPS.co.uk.
- No subscription - free AURA database updates every 6 months
- Speed limit display for UK and Western Europe
- 5-inch colour touchscreen with GPS speedometer
- Audible and visual alerts on approach to cameras
- Smart Mute: silent alerts when already below the limit
- 100% legal in the UK
Caught speeding at this location?
If you have been caught speeding at or near this location, the guides below explain what happens next, what your options are, and how the penalty system works in the UK.
Gatso speed cameras
This camera is a rear-facing Gatso - one of the most common types in the UK.
If you saw a double flash, it likely recorded your speed.