Driver's License Test Prep
Texas Practice Regulatory Signs

A Texas speed-limit sign carries two numbers, one labeled 'DAY' above a lower number labeled 'NIGHT.' According to the manual, what do the two numbers indicate?

  1. A.
    The maximum speeds permitted on the road for daytime and nighttime. Correct
  2. B.
    Recommended cruising speeds when the highway is uncongested.
  3. C.
    Reduced speeds required only when weather cuts visibility.
  4. D.
    Separate speed limits that apply to trucks and passenger vehicles.
The Why

The answer is "The maximum speeds permitted on the road for daytime and nighttime."

The two numbers are separate maximum speed limits for daytime and nighttime driving on that road. Choice D is the trap. Drivers who remember Texas's former split between passenger cars and trucks fit that same bracket onto the day/night pair and answer with the vehicle-type version instead of the time-of-day rule the sign posts.

Why the others miss

The traps in the wrong answers

B. Recommended cruising speeds when the highway is uncongested.

The numbers are enforceable maximum limits, not advisory cruise speeds. This answer treats the two numbers as friendly suggestions rather than posted limits.

C. Reduced speeds required only when weather cuts visibility.

The DAY and NIGHT numbers are set by time of day, not by weather. This answer reads DAY and NIGHT as visibility labels tied to fog or rain.

D. Separate speed limits that apply to trucks and passenger vehicles.

The two numbers separate day driving from night driving, not vehicle types. This answer fits the old Texas car-versus-truck speed brackets onto the day/night pair.

The Rule

This question tests your knowledge of Regulatory Signs in Texas. Source: Texas Driver Manual, "Table 19: Regulatory and Warning Signs," p.30..

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