On a limited-access highway with a center median, what line marks the left edge of each side of the roadway?
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A.
A solid yellow line Correct
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B.
A solid white line
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C.
A broken white line
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D.
A broken yellow line
The answer is "A solid yellow line"
On a divided limited-access highway, the right edge is solid white and the left edge of each direction of travel is a solid yellow line, with broken white lines between lanes. Drivers who half-remember that white marks the right edge of the road often assume white must also mark the left edge next to the median, and pick choice B.
The traps in the wrong answers
B. A solid white line
Solid white marks the right edge of the road, not the left edge next to the median. This answer generalizes the white-marks-right-edge rule into a white-marks-any-edge rule, forgetting that yellow takes over next to the median.
C. A broken white line
Broken white lines separate travel lanes going the same way, not the edge next to the median. This answer assumes any white line on a divided highway marks an edge, and reaches for the between-lane variety by default.
D. A broken yellow line
Broken yellow appears at the center of two-way roads, not on a divided highway. This answer imports the broken yellow centerline from two-lane two-way roads onto a divided highway layout.
This question tests your knowledge of Road Markings in Pennsylvania. Source: Pennsylvania Driver Manual, "Pavement Markings," p.22..
Related Pennsylvania questions
- According to the manual, what do yellow lines painted on the roadway separate? →
- What line marks the right edge of the road? →
- You are on a two-lane road with a single broken yellow centerline. What does the manual say about passing? →
- A two-way road has a double solid yellow centerline. What does the manual say about passing on this road? →
- As you approach an intersection, you see white triangles painted across your lane. What do these markings tell you? →
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