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Tennessee Class D Knowledge Test Practice
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Passing target: 80% (32/40)
Warning, Construction & Information SignsStandalone practice
You see this route marker: a shield with a red top band, a blue lower part and a white number. What kind of road does it mark?

Correct answer: An interstate highway, part of the national interstate and defense highway system.
Why
Interstate highways join large cities and connect with major highways at the Canadian and Mexican borders. Green guide signs on these roads show exits and the lanes to use. Knowing the markers helps you plan a trip and choose lanes early.
Verified against Tennessee Comprehensive Driver License Manual · Guide Signs — Route markers · p. 54
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