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The
Shape - and Color - Give Us a Sign
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| GUIDE signs come in a variety of shapes and colors - each one with an important message to help drivers arrive at their destinations safely. |
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Square black and white markers specify U.S. routes and most State routes. The even/odd numbering system also applies to State routes. |
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Some States design their own markers, which often reflect their individuality. |
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Green GUIDE signs direct travelers to the right exit to cities, airports, park-and-ride stations, and other destinations. Green signs also mark bicycle routes. |
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The green and white "mile markers" help us gauge how far we've driven, or how far we need to drive, through a state. |
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The familiar red, white, and blue shield tells drivers they are traveling on an Interstate Highway. Even-numbered roads run east-west; north-south Interstates have odd numbers. |
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