What does this Telephone sign tell a driver about the road ahead?
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A.
A public telephone is available ahead. Correct
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B.
A rest area with restrooms is ahead.
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C.
Cellular phone use is not allowed here.
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D.
An emergency call box requires you to stop.
The answer is "A public telephone is available ahead."
The white handset on a blue square is a motorist service symbol, and blue services signs point drivers to something helpful ahead: here, a public telephone. The sign marks the phone itself, not any larger facility around it. The rest-area answer is the trap. Because the phone symbol often appears at rest stops, a reader can expect the sign to advertise the whole facility rather than the single service actually pictured on it.
The traps in the wrong answers
B. A rest area with restrooms is ahead.
The white handset on blue marks a public telephone, not a rest area. Restrooms and rest areas have their own service signs, separate from this one. Treats a single-service symbol as though it advertised the whole rest stop that the phone might sit inside.
C. Cellular phone use is not allowed here.
Blue-and-white symbol signs point to a motorist service, not a driving prohibition, and regulatory bans on driver behavior use red and black instead. Borrows from distracted-driving campaigns and the crossed-out phone icons at fuel pumps, applying that reflex to any phone symbol on a road sign.
D. An emergency call box requires you to stop.
The telephone symbol points to a phone the driver may use; it does not itself demand any action. The federal manual allows the symbol alongside emergency call signs, but the plain D9-1 sign carries no duty to stop. Mistakes the phone symbol for the emergency call sign it is sometimes posted beside, then reads a duty to stop and report into it.
This question tests your knowledge of Guide Signs on the roads of every US state . Source: Manual on Uniform Traffic Control Devices, sign D9-1 (Telephone)..
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