Driver's License Test Prep
Texas Practice Road Markings

On a Texas multi-lane highway with four or more lanes, what does the manual say about the double yellow line down the center?

Two parallel solid yellow lines running lengthwise down the center of a dark roadway.
  1. A.
    Do not cross the double yellow line to pass Correct
  2. B.
    Cross it only when the shoulder is blocked
  3. C.
    Cross it only during daylight hours
  4. D.
    Cross it only when following an emergency vehicle
The Why

The answer is "Do not cross the double yellow line to pass"

The manual says do not cross the double yellow line to pass on a multi-lane highway. Drivers who pick the shoulder-blocked answer are borrowing the two-lane broken-line exception, which permits crossing only when the right half of the road is closed, and applying it to a solid double-yellow form that never carried that exception.

Why the others miss

The traps in the wrong answers

B. Cross it only when the shoulder is blocked

The manual gives no shoulder-blocked exception for the double yellow line on a multi-lane highway; the prohibition stands. This answer reaches for the two-lane broken-line rule that permits crossing when the right half of the road is closed and treats a blocked shoulder as the same condition.

C. Cross it only during daylight hours

The manual sets no time-of-day rule for crossing the double yellow line; the prohibition holds around the clock. This answer mistakes the general instinct that daylight driving feels safer for an actual exception written into the marking rule.

D. Cross it only when following an emergency vehicle

The manual gives no emergency-vehicle exception for crossing the double yellow line on a multi-lane highway. This answer confuses the separate duty to yield to an approaching emergency vehicle with a permission to trail one past a solid center marking.

The Rule

This question tests your knowledge of Road Markings in Texas. Source: Texas Driver Manual, "Pavement Markings, Multi-lane Highway (Four or More Lanes)," p.33..

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