Understanding how traffic environments influence the behavior of road users, particularly cyclists and pedestrians, is crucial for developing sustainable transportation systems. As these modes of travel are increasingly promoted in urban areas, it is essential to identify desired behaviors and how they can be effectively encouraged. To this end, there is a growing need for advanced methods and tools that can provide rapid feedback on the potential impact of traffic measures before they are implemented. Such proactive approaches could greatly enhance the efficiency and sustainability of transportation systems by better meeting the needs of road users. Microscopic behavioral responses and interactions at the individual level, often overlooked, contain valuable information that can enhance our understanding of the effects of traffic environments. Traditionally, this information has been gathered through qualitative methods such as surveys and interviews, which, while useful, may not accurately reflect actual behavior. Observational studies, particularly those utilizing video technology, offer a more objective and detailed means of capturing real-world behavior. Video technology, especially with advancements in high-resolution imaging and analytics, provides a powerful tool for studying road user behavior in a precise and reliable manner. Unlike human observers, video recordings allow for the capture of minute details that can be reviewed multiple times, making them a more flexible and accurate method of analysis. However, effective video-based studies also require careful planning and consideration of the specific objectives and requirements, as well as accurate approaches for video processing and further analysis.