Understanding Cyclists' Visual Behavior Using Eye-Tracking Technology: A Systematic Review.

Area of Science:

• * Road safety research
• * Human-computer interaction
• * Transportation engineering

Background:

• * Eye-tracking systems offer real-time insights into cyclist visual behavior.
• * Understanding visual attention is crucial for enhancing cyclist safety.
• * Previous research has explored various factors influencing cyclist perception.

Purpose of the Study:

• * To systematically review the application of eye-tracking systems in improving cyclist safety.
• * To identify key factors affecting cyclists' gaze patterns and visual attention.
• * To synthesize findings on visual workload and hazard perception in cyclists.

Main Methods:

• * Systematic literature search conducted on SCOPUS and Web of Science databases.
• * PRISMA 2020 guidelines followed for study selection (2010-2024).
• * Inclusion criteria focused on studies assessing visual behavior of cyclists in real or virtual traffic environments.

Main Results:

• * Road elements' design, traffic density, and weather significantly influence cyclists' gaze patterns.
• * Intersections were identified as major contributors to significant visual workload.
• * Eye-tracking data provides valuable insights into cyclist visual behavior and safety.

Conclusions:

• * Eye-tracking is a valuable tool for understanding cyclist visual behavior and safety.
• * Future research should address limitations such as small sample sizes and technological constraints.
• * Recommendations include utilizing diverse samples, advanced eye-tracking technology, and focusing on peripheral vision.