Symmetry in Transportation Vehicle Design

Cars, trains, airplanes, boats, all of them are shaped symmetrically, looking at them from the front. This primarily helps with aerodynamics, keeping them stable when moving at high speeds and making sure the pressure the vehicle experiences is spread out evenly.

        

References:
https://pixabay.com/p-918408/?no_redirect
https://www.emaze.com/@AOFCIRQO/airplanes