Final answer:
The statement is true: never back up across other traffic lanes. This is a basic rule of driving that applies to all situations.
Step-by-step explanation:
True: Never back up across other traffic lanes. This is a basic rule of driving that applies to all situations. When backing up, it is important to always check for traffic approaching from behind and wait for a clear opportunity to back up safely. Backing up across other traffic lanes can be dangerous and increases the risk of a collision.