United States Permit Test Coach
Pavement markingsQuestion 138 of 223

Which center line is not allowed on a two-way road?

  1. One broken yellow line
  2. One solid yellow line
  3. Two solid yellow lines
  4. One solid and one broken yellow line
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Correct answer: One solid yellow line

A single solid yellow line is never used as a center line on a two-way road.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 3B.01 Yellow Center Line Pavement Markings, page 581

Practice pavement markings

Questions last reviewed: 18 October 2026