Yes, the third level of the Grand Central Station was a medium of escape for Charley. Modern world offers a lot of challenges and in order to take refuge from reality, one might resort to day-dreaming or hallucination We all understand the miseries of the modern world which is full of worry and pressure, thus, in order to take the burden away from his shoulders and heap a sigh of relief, Charley resorted to escaping reality, although unintentionally.