Imagine being stuck in traffic for over half an hour, all because of a single crash on the motorway. That's exactly what happened to drivers on the M25 near Leatherhead today. National Highways reported a seven-mile tailback after a collision forced the closure of lane four between junctions nine (Leatherhead) and ten (Wisley). While all lanes have since reopened and the crash site cleared, the ripple effect of delays persisted, leaving motorists frustrated. But here's where it gets interesting: despite the incident being resolved, the congestion stretched nearly back to junction eight (Reigate), showcasing just how fragile our daily commutes can be. And this is the part most people miss—how a single event can disrupt thousands of journeys. National Highways expressed gratitude for drivers' patience, but it raises a question: How can we better manage traffic flow during such incidents? Is it time to invest in smarter traffic systems or rethink emergency response strategies? Let us know your thoughts in the comments. For more updates, follow BBC Surrey on Facebook (https://www.facebook.com/BBCSurrey/) or X (https://twitter.com/BBCSurrey), or share your story ideas via email at southeasttoday@bbc.co.uk or WhatsApp on 08081 002250.