March 19, 2009. The A19 Autobahn near Jüchen, Germany. Dense fog reduced visibility to almost nothing. What followed was one of the largest highway pileups in German history. 259 vehicles—cars, trucks, buses—collided in a chain reaction that stretched across both directions. 66 people were injured. 10 critically. One person lost their life. Emergency crews from multiple districts responded. The highway remained closed for over 24 hours as wreckage was cleared and investigations began. High-speed