What does this D9-11b sign tell a driver about services available ahead?
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A.
A public electric vehicle charging station is ahead. Correct
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B.
Gasoline is sold at a fuel pump ahead.
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C.
A diesel truck stop is located ahead.
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D.
A rest area for drivers is available ahead.
The answer is "A public electric vehicle charging station is ahead."
The blue square with a fuel pump icon and the letters EV marks a public electric vehicle charging station ahead. The trap is the plain gasoline pump reading, taken by a driver who registers the pump icon and stops there without noticing that the letters on the pump are what name the fuel; on this sign those letters read EV, so the service ahead is charging, not gasoline.
The traps in the wrong answers
B. Gasoline is sold at a fuel pump ahead.
The letters on the pump identify the fuel, and on this sign those letters read EV for electric charging rather than gasoline. This answer reads the pump icon as any fuel pump and does not check the letters that name the fuel.
C. A diesel truck stop is located ahead.
In this sign family, D on the pump marks diesel and EV marks a charging station for electric vehicles. This answer groups EV with the other fuel-family letters without recognising it as the abbreviation for electric vehicle.
D. A rest area for drivers is available ahead.
This blue square belongs to the alternative fuel family and marks a charging station, not a roadside rest area. This answer treats every blue service square as a rest area cue because both use the same blue background.
This question tests your knowledge of Guide Signs on the roads of every US state . Source: Manual on Uniform Traffic Control Devices, sign D9-11b (Electric Vehicle Charging)..
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