What are perceptive drivers trained to do regarding traffic formation?

Perceptive drivers are trained to predict changes in speed and lane position because this skill allows them to anticipate and react effectively to the dynamics of traffic around them. By understanding how other vehicles are likely to behave—such as accelerating, braking, or changing lanes—drivers can maintain better situational awareness and make informed decisions that enhance safety. This proactive approach is essential for avoiding potential hazards and ensuring smooth traffic flow, as it enables drivers to adjust their own driving strategies in response to the evolving conditions of the roadway and the actions of surrounding vehicles.

The other options do not align with the principles of perceptive driving. Observing only the front vehicle limits a driver's awareness to a narrow focus, which could lead to missing crucial information from other vehicles. Ignoring vehicle formations disregards the importance of understanding how groups of vehicles interact on the road, which is vital for safe navigation. Finally, concentrating solely on their own vehicle can blind drivers to surrounding traffic situations, increasing the risk of accidents. Thus, the ability to predict changes in speed and lane position is key to being a perceptive and responsible driver.