M25 anticlockwise, route confirmation sign at km157.8
Reported in the Confusing category anonymously at 13:56, Monday 1 February 2021
Sent to National Highways 4 minutes later
This route confirmation sign lists Heathrow as 41 miles away. This is inaccurate as the distance is more like 46 miles. After driving for several miles, the distance to Heathrow seems poorly measured as it only drops to 40 miles after the A10 junction.
How long has it been like this? Not sure