Crane operation is a high-risk profession that demands specific psychological traits to ensure safety and performance. This study evaluates traffic-relevant personality traits among crane operators, a high-risk profession and commercial driver, where psychological preparedness is vital for safe performance. While previous research has extensively examined personality traits in general driver populations, limited studies have specifically focused on crane drivers, who operate in more controlled yet high-stakes environments. Using the Vienna Test System (VTS) with the Inventory of Driving-Related Personality Traits—Revision (IVPE-R) test, data were collected from 30 commercial drivers. To explore age-related differences, subjects were categorized into two groups: younger drivers (under 30 years) and older drivers (30 years and above). The analysis focused on four key traits: Mental Stability, Sense of Responsibility, Self-Control, and Risk Avoidance. Findings revealed that older drivers exhibited significantly higher levels of Mental Stability, Self-Control, and Risk Avoidance, while Sense of Responsibility did not differ notably between the age groups. These results support theories of personality maturation and highlight the influence of age on safety-relevant traits. The study underscores the importance of targeted psychological assessment and age-sensitive training protocols for commercial drivers, especially crane drivers, during operation safety, which will enhance safety.