Overhead lane and merge signs — Delaware Permit Test
Overhead lane and merge signs on the Delaware permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.
The rules
You must obey the overhead sign over your lane; when it says ONLY, you must go the way its arrow points.
A driver in a turn-only lane who goes straight cuts across the car turning beside them.
When the word “ONLY” is used, you must go in the direction the arrow points; there is no option.
In a zipper merge, drivers use both lanes up to the point where the lane ends and then merge there, taking turns.
Drivers who all crowd into one lane early leave the other lane empty and the line twice as long.
Drivers in merging lanes are expected to use both lanes to advance to the lane reduction point and merge at the location, alternating turns.
A warning sign for a bridge with room for only one lane means slow down and prepare to yield to oncoming vehicles.
Two cars that meet in the middle of a one-lane bridge have nowhere to go.
Room for only one lane of traffic. Slow down and prepare to yield to oncoming vehicles.
An added-lane warning sign means merging is not required, but watch for other vehicles changing lanes.
A driver who brakes to merge where a lane is added slows the traffic behind for no reason.
Added lane, merging not required, watch for other vehicles changing lanes.
On the test
The overhead sign above your lane shows an arrow with the word ONLY. What must you do?
Go the way the arrow points. A driver in a turn-only lane who goes straight cuts across the car turning beside them. Delaware Driver Manual, p.75: “When the word “ONLY” is used, you must go in the direction the arrow points; there is no option.”
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.
Where these come from
Every rule here is checked against Delaware Driver Manual, published by the Delaware Division of Motor Vehicles, and against the state code itself. Last checked 2026-10-05.
- src/assets/drivers-manuals/DE.pdf (Delaware Driver Manual, July 2026, Delaware Division of Motor Vehicles, retrieved 2026-09-14; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/DE.pages.txt (scripts/de-text.sh: plain pdftotext cropped to keep the section tab out, physical 47 under -layout; the fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/DE-exam.html (Delaware Division of Motor Vehicles, Driver's License Exam, https://dmv.de.gov/DriverServices/drivers_license/index.shtml?dc=dr_lic_written, read 2026-10-05; states both exam figures; sha256 pinned under examSource)
- https://dmv.de.gov/menu/forms_manuals.shtml (read 2026-10-05; links the manual)
- https://dmv.de.gov/DriverServices/faqs/index.shtml?dc=dr_faq_general (read 2026-10-05; its 30 and 24 are the exam page's figures before 2024-12, per the Internet Archive)