The motorcyclist in the passing lane is considered to be in the most dangerous position when riding next to a car due to several factors. When a motorcyclist is in the passing lane, they are more exposed to vehicles changing lanes, especially if the adjacent car does not see them. This lane typically has faster-moving traffic, increasing the chances of a collision if drivers do not properly check their blind spots before changing lanes.
Additionally, passing lane scenarios often involve faster speeds, which can reduce reaction time. A motorcyclist in this lane must remain vigilant and anticipate the actions of both cars and other vehicles. The risk is heightened if drivers are not aware of the motorcyclist's presence, as they might make sudden moves, leading to potentially dangerous situations. Overall, the passing lane requires heightened awareness and strategic positioning to mitigate risk, making it the most perilous place for a motorcyclist when surrounded by cars.