Final answer:
Vehicle design advancements have introduced enhanced brake lights and turn signals that provide clearer warnings to following drivers. These features help reduce the risk of collisions by signaling the vehicle's intent to stop or turn in a more noticeable way.
Step-by-step explanation:
An advancement in vehicle design that provides following drivers with additional warning when the vehicle ahead intends to stop or turn is typically signaled by the use of enhanced brake lights or turn signals. For instance, some modern vehicles are equipped with brake lights that flash rapidly when the vehicle is braking aggressively, alerting drivers behind them that they are slowing down quickly. Another example includes the adaptation of LED lights that increase in intensity or a sequence that moves in the direction of the intended turn.
These features are designed to improve road safety by providing clearer and more immediate signals of the driver's intentions to those following, thereby potentially reducing the likelihood of rear-end collisions. When driving, it is important to observe and respond to these signals promptly to maintain safe following distances and to react appropriately to the flow of traffic.