How should a large vehicle driver change lanes?

A large vehicle driver should change lanes by checking the signal and mirror and changing one lane at a time to ensure safety. This process involves several critical steps: first, the driver must signal their intent to change lanes, which alerts other road users of the upcoming maneuver. Next, the driver should carefully check their mirrors and blind spots for any vehicles that might be in adjacent lanes or approaching from behind. Large vehicles, due to their size and limited visibility, require extra caution to avoid accidents.

Changing only one lane at a time is important because it minimizes the risk of collisions and helps maintain control over the vehicle. In contrast, the other options described are unsafe practices that do not prioritize the safety of the driver or others on the road. For instance, changing lanes without signaling can lead to confusion and hazardous situations, while making a U-turn to switch lanes is impractical and illegal in many circumstances. Additionally, only changing lanes when stationary would significantly impede traffic flow and disrupt normal driving patterns. Therefore, the process of signaling and carefully maneuvering is essential for safe lane changes.