State routes are designated highways that are maintained by individual states in the United States. These roads connect various cities, towns, and regions within a state, facilitating local and regional travel. Each state has its own numbering system for these routes, which helps drivers navigate easily. State routes can vary in size and importance, ranging from major thoroughfares to smaller, less-traveled roads. They often serve as vital links between interstate highways and local roads, ensuring efficient transportation for both personal and commercial vehicles.