Driver stopped on M3 by the #VanguardRST as he was hogging the middle lane and causing unnecessary congestion. #KeepLeftUnlessOvertaking Post navigation @kent_police All lanes have now also re-opened on the #M25 anti-clockwise between J4 and J3 in #Kent. Thank you for your patience, please have a safe onward journey. Driver stopped by #VanguardRST as the car’s side windows were excessively tinted, only allowing 20% of visible light through. The driver had also fitted illegal 4D plates. Any tint below 30% is considered a dangerous condition and subject to 3 points & £100 fine.