Transportation Data Scientists often work on projects that involve analyzing traffic patterns, optimizing routes, forecasting demand, and supporting infrastructure planning decisions. Responsibilities may include cleaning and visualizing large mobility datasets, building predictive models, evaluating the effectiveness of transportation initiatives, and presenting findings to stakeholders. Depending on the organization, you might collaborate closely with transportation planners, engineers, software developers, and public agencies. The role provides opportunities to make a tangible impact on urban mobility, public safety, and resource efficiency within the transportation sector.