About
You're currently driving:
Road
Thorney Interchange
Route
M4 (J4B) and M25 (J15)
Author(s)
Chris Marshall
Data last updated
21 April 2026
simulator
Simulator v4.0
Concept, design and coding: Chris Marshall
Roads.org.uk | Substack | BlueSky | Threads | Instagram | YouTube
Sign design consultant: Bryn Buck
YouTube | Show Me A Sign blog | BlueSky
If you want to support the Simulator,
you can Buy Me a Coffee
