The shape of a route sign tells you:

Route signs come in different colors and shapes to help drivers identify the type of road they are on. These signs guide you along Interstate Highways, U.S. Highways, state roads, and county roads so you can reach your destination safely and efficiently.

- State Route Signs: These vary by state in shape and design. Each state may use its own colors, numbers, or symbols.

- U.S. Route Signs: These are black and white and shaped like a police badge or shield. They mark highways that are part of a nationwide road system.

- Interstate Highway Signs: These are shaped like a shield with red on top and blue on the bottom, featuring white numbers. They mark major highways that cross state lines and form the Interstate Highway System.

Always watch for these signs when traveling—they help you stay on the correct route and avoid confusion.

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