After three shuttle accidents in three months, one of which resulted in a critical injury to a driver, Get Around Shuttle drivers received additional training, and the company retrofitted all shuttles with new braking systems. Which of Maslow's needs are addressed by Get Around Shuttle's actions?

Safety

Explanation:

As we know that safety is very important before doing anything. This is also a important part of the human needs. Every human wants both emotional and physical safety from his job or whatever is doing.

Maslow's given a Hierarchy of Needs and the second tier of this Hierarchy is safety.

So the answer of the given question is safety.