CDT Traffic Laws & Road Safety Rules 3

Question 1

Which sign shape in the US is exclusively used for STOP signs?

Accepted Answer

Octagon

Answer

The octagon (8-sided) shape is reserved exclusively for STOP signs under the MUTCD.

Question 2

A CDT candidate is teaching right-of-way at a four-way stop. All four vehicles arrive simultaneously. Which vehicle proceeds first?

Accepted Answer

The vehicle to the right of all others

Answer

When vehicles arrive simultaneously at a four-way stop, the vehicle to the right of the other has the right of way.

Question 3

Under FMCSA regulations, what is the maximum driving time in a 14-hour on-duty window for a property-carrying CMV driver?

Accepted Answer

11 hours

Answer

Property-carrying CMV drivers may drive a maximum of 11 hours within a 14-hour on-duty window after 10 consecutive hours off duty.

Question 4

What does a flashing yellow traffic signal require of a driver?

Accepted Answer

Yield and proceed with caution

Answer

A flashing yellow signal means slow down, yield to crossing traffic or pedestrians, and proceed with caution.

Question 5

According to MUTCD standards, what color is used for warning signs in the United States?

Accepted Answer

Yellow

Answer

Standard warning signs in the US use a yellow background with black text or symbols per MUTCD specifications.

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