Avoid being hit from rear — District of Columbia Permit Test
Avoid being hit from rear on the District of Columbia permit test — 5 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Rear-end collisions are the most common kind of motor vehicle crash.
Knowing the most common crash is a rear-end one tells you why the car behind you deserves as much attention as the one ahead.
Rear-end collisions are the most common kind of motor vehicle crashes.
To lessen the chance of being hit from the rear, slow down gradually, not suddenly.
A sudden stop gives the driver behind you no time to react, so they run into your back bumper.
Slow down gradually, not suddenly
If a vehicle follows you too closely, slow down and let it pass.
A tailgater cannot stop in time if you brake, so getting them in front of you removes the danger behind you.
If a vehicle follows too closely, slow down and let it pass
To avoid being hit from the rear, signal well in advance for stops, turns and lane changes.
An early signal tells the driver behind you what is coming, so they slow down before you do.
Signal well in advance for stops, turns and lane changes
To avoid being hit from the rear, keep your stoplights clean and in working order.
Dirty or dead brake lights mean the driver behind does not know you are stopping until it is too late.
Be sure your stoplights are clean and in working order
On the test
What is the most common kind of motor vehicle crash?
A rear-end collision. Knowing the most common crash is a rear-end one tells you why the car behind you deserves as much attention as the one ahead. DC Driver Manual, p.49: “Rear-end collisions are the most common kind of motor vehicle crashes.”
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.
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- Paying opens the rest of the cards, unlimited full-length practice tests, and retests built from exactly the questions you got wrong.
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- 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.
- src/assets/drivers-manuals/DC.pdf (DC Driver Manual (English), Rev. 7/29/2021, District of Columbia Department of Motor Vehicles, fetched 2026-10-05 from the Wayback Machine's original-bytes capture of dmv.dc.gov; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/DC.pages.txt (the plain pdftotext fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- https://dmv.dc.gov/publication/dc-dmv-automobile-driver-manual (read 2026-10-05; links only the 2023 Issuu flipbooks)
- https://issuu.com/dcdmv/docs/dc_dmv_driver_manual_english_revised_final (the current 2023 edition, read 2026-10-05 from its public page images to diff against the pinned edition; not pinnable)
- https://dmv.dc.gov/service/knowledge-tests (read 2026-10-05; states no count or mark for the knowledge test)
- https://dcregs.dc.gov/Common/DCMR/RuleList.aspx?ChapterNum=18-1 (18 DCMR chapter 1, sections 100-114, read 2026-10-05; section 104 sets what the examination covers and states no figure)
- https://code.dccouncil.gov/us/dc/council/code/sections/50-1401.01 (D.C. Code 50-1401.01, read 2026-10-05; requires a knowledge examination and states no figure)