A solid yellow line and a broken yellow line separate opposing traffic. If the broken line is beside your lane, when may you pass?

Correct answer: C – When the roadway ahead is clear for a safe pass
In the District, the broken yellow line beside your lane indicates that crossing the center marking to pass may be permitted. Before passing, the left side must be clearly visible and free of oncoming traffic for enough distance to complete the maneuver safely. The vehicle must return to the right before coming within 100 feet of approaching traffic.
Source: 18 DCMR § 2100.2 – Standards for Placement of Traffic Control Devices, Signs, and Pavement Markings, 18 DCMR § 2202.7-.8 – Overtaking and Passing, Manual on Uniform Traffic Control Devices, 11th ed. — § 3B.01, “Yellow Center Line Pavement Markings”


