Connecticut Permit Test Study Guide (2026)

Cover every topic on the Connecticut DMV permit test, ranked by how often they show up on the real exam.

The Connecticut DMV writes every permit test question from the official Connecticut Driver's Manual. The manual covers signs, signals, rules of the road, the 16/17 Year Old Driver Law, DUI penalties, and roadway emergencies. This study guide turns the manual into focused, bite-sized lessons.

Connecticut Speed Limits

Speed limits are one of the most-tested topics on the CT permit exam, and the questions usually test Connecticut's statutory default limits -- what the speed is when no sign is posted. Connecticut's basic rule (C.G.S. 14-218a) requires a speed that's reasonable for the road's width, traffic, and conditions; the commonly-applied unposted default in business and residential districts is 25 mph, with a general highway default of 55 mph. School zone fines are doubled, whatever the posted limit is there. Always obey the basic-speed law: never drive faster than is safe for current conditions.

Alcohol & BAC Limits

Expect at least one alcohol question on the Connecticut permit test. Memorize the three BAC thresholds: 0.08% is the legal limit for drivers age 21 and older, 0.04% is the limit for anyone driving with a commercial driver license (CDL), and Connecticut's zero-tolerance threshold for drivers under 21 is 0.02% (C.G.S. 14-227g) -- this is a per-se DUI statute, so meeting the threshold is presumed intoxication as a matter of law. A first violation brings a 1-year license suspension followed by a mandatory ignition interlock device. A BAC of 0.08% or higher brings full adult DUI charges instead.

Right-of-Way Rules

Right-of-way is the single most-missed topic across every state's permit test. The rules are simple once you memorize them. At a 4-way stop, the first vehicle to fully stop goes first; if two arrive together, the driver on the right has the right of way. At an uncontrolled intersection, yield to any vehicle already in the intersection and to the driver on your right. At roundabouts, yield to traffic already circulating and enter only when there is a safe gap. Always yield to pedestrians in any crosswalk, marked or unmarked, and to emergency vehicles with lights and sirens — pull right and stop. When turning left across oncoming traffic, you must yield to oncoming vehicles. Yield does not give you the right of way; it requires you to give it up.

Following Distance & Safety

Connecticut's driver manual recommends a minimum 3-second following distance: pick a fixed point on the road, wait for the vehicle ahead of you to pass it, then count one-thousand-one, one-thousand-two, one-thousand-three. At 50 mph, stopping distance is roughly 400 feet -- leave room accordingly.

Road Sign Colors & Shapes

Road signs on the CT permit test follow the federal Manual on Uniform Traffic Control Devices, so shapes and colors are consistent across the country. Memorize the shapes first: octagon always means stop, downward triangle means yield, diamond means warning, pentagon marks a school zone, round warns of a railroad crossing, and horizontal rectangle is a guide sign. Then learn the colors: red is stop or prohibition, yellow is general warning, orange is construction, green is directions and exits, blue is driver services, brown is recreation, and fluorescent yellow-green is for schools and pedestrians. Practice identifying signs by shape and color alone — see the full visual cheat sheet on our Connecticut road-signs page.

Key Connecticut Numbers to Memorize

If you only remember a handful of facts going into the test, make it these. Every one of them maps to questions that have appeared on the real CT exam.

Parking Rules

Parking questions on the Connecticut permit test cover two patterns everywhere. For parallel parking, your wheels should be no more than 12 inches from the curb. For hill parking, the kerb rule decides which way your front wheels point: facing downhill (with or without a curb), turn the wheels toward the curb; facing uphill with a curb, turn the wheels away from the curb so they rest against it; facing uphill with no curb, turn the wheels toward the edge of the road. Always set the parking brake and leave the car in park (or in low gear with a manual).

Connecticut's no-parking zones (C.G.S. 14-251) you must memorize: within 10 feet of a fire hydrant, within 25 feet of an intersection or a marked crosswalk, and within 25 feet of a traffic-authority-erected stop sign.

GDL Restrictions (CT)

Connecticut's learner's permit: log 40 hours of supervised driving, including 8 at night, with a licensed driver 20 or older who has held a license at least 4 years. Hold the permit at least 120 days with formal driver education, or 6 months with home training. Both permit and license holders under 18 face a night curfew of 11 p.m. to 5 a.m. (exceptions for work, school, or religious activities). Passenger restrictions step up in three stages: for the first 6 months, only a parent, guardian, licensed instructor, or qualified trainer may ride along; for the next 6 months, immediate family only; after 12 months, up to the number of seatbelts in the car. Expect 1-3 GDL questions on the CT exam.

DUI & Drug Laws

DUI questions go beyond the BAC limits in Section 2. Three concepts you must know: implied consent means refusing a chemical test triggers automatic license suspension on top of any DUI charge. Prescription and over-the-counter drugs can also impair driving — antihistamines, sleep aids, painkillers, and some cold medicines list "do not operate heavy machinery" warnings, and driving impaired by them is a DUI even if you have a valid prescription. Marijuana — even where state-legal — is treated like alcohol for driving: any detectable impairment can result in a DUI, and edibles can take 1–3 hours to peak. The only safe BAC and the only safe THC level for driving is zero. There is no quick way to sober up; only time will lower your BAC.

Now Test What You've Studied

Five questions pulled at random from our Connecticut question bank — a mix of road signs, traffic laws, and right-of-way. Answer to see the correct choice and a short explanation. For a full timed exam, take the free practice test.

Connecticut Study Guide FAQ