Final answer:
Bicyclists may take full control of a lane when the lane is too narrow for a car and a bicycle to travel safely side by side, when avoiding obstacles, preparing for a turn, and when traveling at the same speed as traffic. Local biking laws should be consulted for specific regulations.
Step-by-step explanation:
Bicyclists are entitled to take full control of a traffic lane under certain conditions such as when a lane is too narrow for a bicycle and a vehicle to travel safely side by side within the lane. According to various state laws and bike safety guidelines, this includes situations like avoiding obstacles or road hazards, preparing for a left turn, or traveling at the same speed as other traffic. Biking laws may vary by location, so it's important to check local regulations.
In the context of the provided references, they are part of different scenarios. The reference about the rabbit crossing the freeway is unrelated to bicycle traffic laws. Likewise, the reference from a physics perspective regarding relative motion while observing a bicyclist from the sidewalk does not directly address when a bicyclist can take full control of a lane, although it is relevant for understanding movements and directions in physics.