A regulatory Exit Speed sign at the top of an expressway ramp lists a speed. What does that number represent?
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A.
The average speed of drivers surveyed on the ramp.
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B.
The maximum safe speed for the exit ramp itself. Correct
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C.
The minimum legal speed drivers may travel on the ramp.
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D.
The posted speed limit of the road the ramp joins.
The answer is "The maximum safe speed for the exit ramp itself."
The exit-speed sign gives the maximum safe speed for the ramp; drivers slow to it before leaving the mainline. Drivers who read it as the speed limit of the crossing road pick that choice, treating the ramp sign as a preview of the surface street they are about to join.
The traps in the wrong answers
A. The average speed of drivers surveyed on the ramp.
The posted number is a directive to slow down, not a report of what other drivers do. This answer treats the number as a description of typical driver behavior rather than a directive to slow down.
C. The minimum legal speed drivers may travel on the ramp.
The exit-speed sign caps the speed, not floors it; the highway minimum-speed rule does not follow drivers onto the ramp. This answer confuses the ramp advisory with the highway 50 MPH minimum-speed rule.
D. The posted speed limit of the road the ramp joins.
The number applies to the ramp itself, not to the road the driver will merge onto after the ramp. This answer reads the ramp number as a preview of the surface street the driver is joining.
This question tests your knowledge of Regulatory Signs in Florida. Source: Florida Driver Manual, "Regulatory Signs: Exit Speed," p.47..
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