Older **people** have a higher risk of traffic accidents when **they are alone**. This is due to several reasons:

- **Attention and reaction capacity:** Older people may have a **reduced ability to pay attention** and need more time to react to unforeseen situations. This increases the risk of accidents when they do not have someone to help them stay more alert.

- **Sensory problems:** Many older people have **difficulties seeing and hearing** properly, which can make it difficult to detect approaching vehicles or interpret traffic signals.

- **Use of medications:** Some medications taken by older people can affect their ability to drive safely.

- **Greater caution when accompanying children:** When older people are accompanied by children, they tend to be more cautious to set a good example and protect the little ones, which reduces the risk of accidents.

In summary, older people face several challenges that increase their risk of accidents when they are alone, while the presence of children motivates them to be more careful.