Reversible lanes — Connecticut Permit Test
Reversible lanes on the Connecticut permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Reversible lanes carry traffic one way at certain times and the opposite way at others, and are usually marked by double-dashed yellow lines.
The lane that was yours this morning belongs to oncoming traffic this evening, and nothing on the road changes but the signals.
These lanes are usually marked by double-dashed yellow lines.
A green arrow over a reversible lane means you can use the lane beneath it, and a red X means you cannot.
The overhead signal is the only authority here, because the paint says nothing about which way the lane runs today.
A green arrow means you can use the lane beneath it; a red “X” means you cannot.
A flashing yellow X over a lane means the lane is only for turning.
It is the one signal that neither opens nor closes the lane, and a driver who reads it as either ends up in the wrong place.
A flashing yellow “X” means the lane is only for turning.
A steady yellow X over a lane means the use of the lane is changing and you should move out of it as soon as it is safe.
It is the warning before the red X, and staying put means meeting traffic coming the other way.
A steady yellow “X” means that the use of the lane is changing and you should move out of it as soon as it is safe to do so.
On the test
How is a reversible lane usually marked?
By double-dashed yellow lines. The lane that was yours this morning belongs to oncoming traffic this evening, and nothing on the road changes but the signals. Connecticut Driver's Manual, p.44: “These lanes are usually marked by double-dashed yellow lines.”
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
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Where these come from
Every rule here is checked against Connecticut Driver's Manual, published by the Connecticut Department of Motor Vehicles, and against the state code itself. Last checked 2026-09-16.
- src/assets/drivers-manuals/CT.pdf (Connecticut Driver's Manual, Revised March 2023, retrieved 2026-09-14)
- src/assets/drivers-manuals/CT.pages.txt (plain pdftotext over that PDF; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SOURCES.json (sha256, folio offset 2, folioMarker, nonLawPages and the extraction flag, each with its measured basis)