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Deleted member 6183
Guest
To be fair I usually set cruise to 54mph on the average speed sections of the M4. Unless you do a silly speed you can get away with a bit over 50.
Yep, car speedo will over read plus there will be some margin built into the camera sensitivity.
Not quite sure why seeing someone else speeding through an average speed check area would be an issue, particularly when you would have no idea what speed they are actually doing.