Connecticut Road Signs Cheat Sheet.
The night-before summary, built like the exam.
Download the PDFThe numbers to remember
- 25 questions on the knowledge test.
- You need 20 correct to pass (80%).
- Test is based on the Connecticut driver's manuals — no outside trivia.
- The vision test comes first, in person by DMV appointment, before you're allowed to sit for the knowledge test.
- $40 fee for the knowledge/license exam.
- Fail? Wait 7 days and pay another $40 to retest.
- Learner's permit minimum age: 16 for teens, 18 for adults.
- Learner's permit fee: $19.
- Teen drivers generally need 40 hours of supervised practice driving.
Sign shapes at a glance
- Red octagon = Stop.
- Red/white downward triangle = Yield.
- Round yellow = Railroad crossing.
- Yellow pentagon = School zone/crossing.
- Yellow/orange diamond = Warning (curves, merges, work zones).
- White rectangle = Regulatory (speed limits, one-way, legal rules).
- Green = Guide/directions. Blue = Services. Brown = Recreation.
Right-of-way in one breath
- No signs, four-way stop uncertainty: first to arrive goes first; ties yield to the driver on your right.
- Left turns yield to all oncoming traffic and pedestrians.
- Pedestrians in a crosswalk always win, marked or unmarked.
- Emergency vehicles with lights/siren: pull right, stop.
- Roundabouts: traffic already circulating has the right-of-way over vehicles entering.
- When unsure on the test: pick the answer that yields, not the one that proceeds.
Top traps
- Posted speed limits are a maximum under ideal conditions — you must slow down further for rain, fog, snow, or heavy traffic.
- Hydroplaning: ease off the gas, don't slam the brakes.
- Black ice hides on bridges and shaded roads near freezing temps.
- Use low beams, not high beams, in fog or heavy rain.
- Alcohol impairs judgment before you feel drunk — implied consent means a lawful stop can require chemical testing.
- Texting combines visual, manual, and cognitive distraction at once — the most dangerous combination behind the wheel.
- Read the whole question before answering; the first plausible-sounding choice is often the trap.
Frequently asked questions
What should I memorize the night before the Connecticut knowledge test?
Focus on sign shapes and colors (octagon = stop, triangle = yield, diamond = warning), the right-of-way basics, and the passing standard itself. Connecticut's knowledge test has 25 questions, and you need at least 20 correct to pass, so a quick pass over the cheat sheet's traps list the night before is more useful than trying to reread the full manual.
How long is the real Connecticut knowledge test?
The test itself is 25 questions long, based on the Connecticut driver's manuals. There's no fixed time limit published by the DMV, but since it's a knowledge test rather than a timed exam, most people finish well within a normal appointment window.
What score do I need to pass?
You need at least 20 correct answers out of the 25 total questions, which works out to an 80% passing standard. Missing more than 5 questions means you'll need to wait 7 days and pay another $40 to retest.
Is the cheat sheet free and printable?
Yes — the cheat sheet is a free, single-page night-before summary you can print or keep open on your phone. It's built for a quick last pass before your DMV appointment, not for use during the actual test.
Do I need to pass a vision test before the knowledge test?
Yes. Connecticut requires the vision test to be taken first, in person at a DMV office by appointment, and you must pass it before you're allowed to sit for the knowledge test.
How much does it cost if I fail and have to retake the test?
A failed attempt means a 7-day waiting period before you can retest, and you'll need to pay the $40 license exam fee again to reschedule your appointment.
Sources
- 1.Learn about DMV's knowledge and vision test for drivers, motorcyclists | CT.gov — Connecticut Department of Motor Vehicles (CT DMV) (accessed Aug 9, 2026)
- 2.Get a driver's license for a teenager | CT.gov — Connecticut Department of Motor Vehicles (CT DMV) (accessed Aug 9, 2026)
- 3.Get a DMV Learner's Permit for Adults | CT.gov — Connecticut Department of Motor Vehicles (CT DMV) (accessed Aug 9, 2026)
Official sources
Every exam fact on this page traces to a primary document published by the body that administers the exam.
- Learn about DMV's knowledge and vision test for drivers, motorcyclists | CT.govConnecticut Department of Motor Vehicles (CT DMV)portal.ct.gov
- Get a driver's license for a teenager | CT.govConnecticut Department of Motor Vehicles (CT DMV)portal.ct.gov
- Get a DMV Learner's Permit for Adults | CT.govConnecticut Department of Motor Vehicles (CT DMV)portal.ct.gov
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