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Oregon Class C Passenger Permit Practice Test
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Observation, Speed & SpaceStandalone practice
You drive on a two-lane rural highway outside any city. It is not an interstate, and it does not go through a business or residence district. No speed sign is posted. What is the maximum speed?
Correct answer: 55 mph
Why
Oregon sets 55 mph for all roads that do not fit another statutory speed, unless a sign posts a different speed. This number is a maximum for ideal conditions. The basic speed rule can require a much lower speed in rain, fog, darkness, curves or heavy traffic. Interstate limits vary, so watch the posted signs.
Verified against Oregon Driver Manual · Statutory speeds · p. 27
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