To understand the order of influence of risk factors in traffic accidents, it is important to consider three elements: the **human factor**, the **road factor**, and the **vehicle factor**.

- **Human factor**: This is the most influential factor in traffic accidents, as it is present in **between 70 and 90 out of every 100 accidents**. Common causes include speeding, alcohol consumption, and distractions. These behaviors can be controlled and prevented by the driver, highlighting their importance.

- **Road factor**: This factor refers to road conditions, such as being wet or having dangerous curves. It affects **between 10 and 35 out of every 100 accidents**. Although it cannot always be controlled, drivers can mitigate its impact by adjusting their speed and maintaining a safe distance.

- **Vehicle factor**: This is the least influential, involved in **between 4 and 13 out of every 100 accidents**. Issues such as brake failures or tire punctures are examples of this factor. Keeping the vehicle in good condition can significantly reduce these risks.

In summary, the **human factor** is the most critical, followed by the **condition of the road** and, finally, the **condition of the vehicle**. This order reflects the frequency and impact of each factor in traffic accidents.