This underground metro train model features a compact, articulated design with a rounded front, continuous side doors, and evenly spaced windows optimized for dense urban routes. The streamlined roof profile and connected carriages create a smooth, uninterrupted silhouette ideal for rail-based map animations. Clear door placement and consistent proportions keep the model readable at different zoom levels while maintaining realistic scale. Its geometry is optimized for steady, linear movement along rail paths, making it well suited for city transit visualizations, daily commute routes, and metropolitan rail networks where frequent stops and short distances define the journey.