Traffic on Interstate 405 in Los Angeles ground to a crawl this Thanksgiving as thousands of travellers hit the road to return home or head out of town for the holiday weekend. The normally busy artery, which runs through the western part of the city, saw congestion stretching for miles in both directions, frustrating commuters and holiday travellers alike. According to the California Department of Transportation (Caltrans), the slowdown began in the early afternoon and persisted into the evenin