Philadelphia Drivers License Practice Test

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Question: 1 / 400

What do double yellow lines signify on the road?

No parking

No passing

Double yellow lines on the road indicate that passing is prohibited for vehicles traveling in both directions. This is a critical safety measure designed to reduce the likelihood of head-on collisions, which can occur when vehicles attempt to overtake one another in areas where visibility is limited or where the road conditions are not conducive to safe passing. These lines are usually found in areas where the roadway may be narrow, near curves, or in high traffic zones, signaling to drivers that they should remain in their lane and not attempt to cross into the opposing lane for overtaking.

The other options do not accurately convey the meaning of double yellow lines. They may pertain to different road markings or signs that serve unique purposes, but they do not relate to the fundamental restriction represented by double yellow lines.

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Pedestrian crossing

Road has no shoulder

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