Travel behavior research is a multidisciplinary field that studies the decisions, patterns, and motivations of individuals and groups in relation to their travel and transportation choices. Researchers in this field examine various factors that influence travel behavior, such as socio-demographic characteristics, land use patterns, economic conditions, technology advancements, environmental concerns, and urban planning policies. The ultimate goal of travel behavior research is to better understand how and why people make transportation choices, in order to inform the development of more efficient, sustainable, and equitable transportation systems. This field of study encompasses a wide range of methodologies and approaches, including surveys, observational studies, modeling techniques, and data analysis, to investigate travel behavior at the individual, household, and community levels.