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Pennsylvania Class C Permit Practice Test
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Warning, Construction & Information SignsStandalone practice
You see this sign: a white keystone shape on a black square, with the number 39 in the keystone. What does it tell you?
Correct answer: You are on Pennsylvania route 39.
Why
Route markers can carry extra plates: JCT for a junction ahead, a direction word such as WEST, TO for a road that leads to the route, and arrows that show where to turn to stay on it. Interstate numbers also follow a pattern: even numbers generally run east and west, and odd numbers north and south. Knowing the markers helps you plan turns early instead of making sudden moves.
Verified against Pennsylvania Driver's Manual · Route Markers · p. 25, 24
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