What highway goes from the pacific to the Atlantic coasts?

The highway that spans from the Pacific to the Atlantic coasts is U.S. Route 50, often referred to as the "Loneliest Road in America." It runs from Ocean City, Maryland, on the Atlantic coast to Sacramento, California, on the Pacific coast. This route is known for its diverse landscapes and historical significance, traversing various states across the country. While there are other highways that connect the coasts, Route 50 is one of the notable east-west routes.