Prompt
"Generate an image of the official seal or logo of the United States Department of Transportation, set against a backdrop that represents the various modes of transportation it oversees, such as a stylized map of the United States with roads, highways, railways, airports, and waterways. Incorporate symbolic elements that reflect the department's mission to ensure a fast, safe, efficient, accessible, and convenient transportation system. The style should be formal and official, reflecting the department's role as a federal executive department."