When Can Cars Stop Inside Yellow Boxes? New Fines at Midlands M5 Junction Sunday, February 22, 2026 yellowbox trafficrules driving enforcement m5 westbromwich sandwell congestion fines motorists Yellow box junctions are among the most misunderstood road markings on UK roads. Many drivers are unsure about when it is legal to stop inside these painted boxes, leading to frequent traffic blockages and, soon, fines. At … Read More