Westbound Sign by Green Day delves into the story of someone leaving everything behind, setting off on a journey to the west coast in search of a new beginning and a better life. It's a tale filled with themes of hope, escape, and the pursuit of dreams. The lyrics highlight the feeling of needing to break free from a confining situation, illustrating the universal desire for change and self-discovery. Particularly poignant moments in the song include the vivid imagery of departure and the emotional weight of leaving loved ones behind, underscoring the bittersweet nature of chasing one's ambitions.