You are on a Florida highway with a posted speed limit of 70 MPH. What is the minimum speed you may drive?
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A.
55 MPH
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B.
40 MPH
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C.
45 MPH
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D.
50 MPH Correct
The answer is "50 MPH"
Florida sets the minimum speed at 50 MPH on highways where the posted limit is 70 MPH, and driving too slowly is against Florida law when it blocks or delays traffic moving at normal, safe speeds. The 55 MPH figure in A gets pulled from the Streets and Highways maximum listed nearby and pressed into service as a minimum on limited-access highways.
The traps in the wrong answers
A. 55 MPH
The minimum on a 70 MPH highway is 50 MPH, so 55 overshoots Florida's floor by five. This answer reuses the 55 MPH Streets and Highways maximum listed in the same section as if it also served as the minimum on limited-access highways.
B. 40 MPH
Florida's minimum on a 70 MPH highway is 50 MPH, not 40. This answer carries a 40 MPH interstate minimum from another state's rule rather than Florida's fixed 50 MPH floor on 70 MPH highways.
C. 45 MPH
The manual prints 50 MPH as the minimum on a 70 MPH highway, so 45 falls five under the floor. This answer subtracts twenty-five from the posted 70 MPH maximum as a rule of thumb, ignoring Florida's fixed 50 MPH floor.
This question tests your knowledge of Speed Limits in Florida. Source: Florida Driver Manual, "Speed Limits," p.68..
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