Yellow center lines — District of Columbia Permit Test

Yellow center lines on the District of Columbia permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Broken yellow center lines mean passing on the left is allowed in either direction when the way ahead is clear.

A broken line means drivers on both sides may use the other lane to pass, so you check for them too.

Broken yellow center lines mean that passing on the left is allowed in either direction when the way ahead is clear.

DC Driver Manual, p.111

On the solid side of a solid-and-broken yellow line, you may cross only to pass pedestrians, bicyclists, and riders of scooters or skateboards, when the opposite lane is clear and you can pass safely.

Squeezing past a cyclist in your own lane is more dangerous than crossing briefly when no one is coming.

Vehicles on the solid yellow line side may only cross the line to pass pedestrians, bicyclists, and riders of scooters or skateboards, when the opposite lane is clear and you can pass safely.

DC Driver Manual, p.111

Double solid yellow lines separate traffic going in opposite directions, and passing is not allowed in either direction.

Two solid lines mark a stretch where nobody can see far enough ahead to pass safely.

Double solid yellow lines mark the center of the road and separate traffic traveling in two different directions. Passing is not allowed in either direction.

DC Driver Manual, p.112

You may not cross double solid yellow lines unless you are making a left turn or passing pedestrians, bicyclists, and riders of scooters or skateboards, when the opposite lane is clear and you can pass safely.

Turning into a driveway or giving a cyclist room are the few reasons worth crossing toward oncoming traffic.

You may not cross the lines unless you are making a left turn or passing pedestrians, bicyclists, and riders of scooters or skateboards, when the opposite lane is clear and you can pass safely.

DC Driver Manual, p.112

On the test

What does a broken yellow center line mean?

Passing is allowed both ways when clear. A broken line means drivers on both sides may use the other lane to pass, so you check for them too. DC Driver Manual, p.111: “Broken yellow center lines mean that passing on the left is allowed in either direction when the way ahead is clear.”

How this works

Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.

You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.

Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

What it costs

  • One payment, once — not a subscription. Nothing renews and there is nothing to cancel, for an exam you sit one time.
  • Free to start: a 10-question test and the first section of cards. No sign-up and no account.
  • Paying opens the rest of the cards, unlimited full-length practice tests, and retests built from exactly the questions you got wrong.
  • Every level up to Prepared — 3 tests passed in a row.
  • Do the work, fail the real exam, and we refund you.

All District of Columbia permit topics

Where these come from

Every rule here is checked against DC Driver Manual, published by the District of Columbia Department of Motor Vehicles, and against the state code itself. Last checked 2026-10-05.