Two outlets report on guidance from a mathematician about driving behavior in traffic jams. The central claim is that changing lanes when stuck is often not the fastest or most effective way to reach a destination. The reasoning is presented as being based on applied mathematics and traffic-flow principles rather than on personal driving experience or intuition. In a congested situation, shifting lanes can create additional friction in the traffic stream and may not improve overall travel time, because the limiting factor is typically the capacity of the bottleneck ahead rather than the lane you occupy. Both accounts frame the advice as a general tendency supported by mathematical modeling: drivers may assume that switching lanes will find faster movement, but in jam conditions the benefit is uncertain and can even worsen the situation for surrounding vehicles. Overall, the reports emphasize that the fastest route under heavy congestion may be to remain in your current lane and avoid unnecessary lane changes, since aggressive maneuvers do not necessarily overcome the constraints imposed by the traffic system.