Mobile Speed Camera on M4 - junction 40 to 41, Port Talbot (50mph)

50mph speed limit Mobile speed camera

This Mobile Speed Camera speed camera is located on M4 - junction 40 to 41 near Port Talbot in West Glamorgan, monitoring eastbound traffic with a 50mph speed limit.

Mobile speed camera regularly set up between junction 40 - 41 on the M4 and 50mph bends, camera situated in back of white escort type van with back windows blacked out. van is situated on eastbound site behind the large white wall which is at the back of the houses, it is reversed along the footpath and points across the motorway. The camera is pointing east, but can also photograph cars travelling west. This is confirmed unfortunately by myself. Pictured below the M4 motorway, and mobile speed camera van parked behind concrete wall.

Camera type
Speed limit
50mph
Direction
Eastbound
Road
M4 - junction 40 to 41
Nearest town
Port Talbot
Last updated
15 May 2026
Community verified location - submitted and checked by UK motorists. Help improve this page

Update this speed camera location

All speed camera locations on SpeedCamerasUK.com have been submitted by UK motorists. If you can improve the information above - or add a photo - please use the buttons below.

Location reference: WAWG012

⚠ Don't get caught at this location

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.

→ View speed camera detectors on ActiveGPS

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.

Snooper MY-SPEED PLUS
Snooper MY-SPEED PLUS
£169.99
  • 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
View on ActiveGPS →

Mobile speed cameras

This is a monitored mobile speed camera location.

These cameras are operated from marked or unmarked vehicles and locations change regularly.

Read more about mobile speed cameras and how they work.

SpeedCamerasUK video guide