Connecticut DMV Permit Test study materials
Connecticut DMV Permit Test study resources

Connecticut DMV Permit Test cheat sheet

Connecticut DMV Permit Test · Keep the key ideas within reach.

Quick reference

Connecticut Driving Laws and Rules of the Road

  • Connecticut's basic speed limit is 55 mph on most highways unless posted otherwise; posted limits override the statutory default.

  • State law requires seat belts for the driver and all passengers; children under 8 years and under 60 pounds must use a child restraint system.

  • A driver must carry a valid license, registration, and proof of insurance while operating a vehicle in Connecticut.

  • Right-of-way at an uncontrolled intersection belongs to the vehicle that arrives first; if two arrive simultaneously, yield to the vehicle on the right.

  • Drivers must yield to pedestrians in a crosswalk and to any pedestrian who has stepped into the roadway.

  • A left turn on red is permitted only from a one-way street onto another one-way street, after a full stop and yielding.

  • Connecticut law requires headlights from sunset to sunrise and whenever visibility is reduced, such as in rain, fog, or snow.

  • Turn signals must be given at least 100 feet before a turn and before any lane change.

  • Passing on the right is allowed when the vehicle ahead is making a left turn or when multiple lanes travel in the same direction.

Quick reference

Traffic Signs, Signals, and Road Markings

  • Red octagon means stop; red inverted triangle means yield; both require slowing or stopping as appropriate.

  • Yellow diamond signs are warnings; orange diamond signs indicate construction or work zones; fluorescent yellow-green marks pedestrian and school zones.

  • A flashing red signal is treated as a stop sign; a flashing yellow signal means proceed with caution and do not stop unless needed.

  • A steady yellow light means the signal is about to turn red; stop if it can be done safely, otherwise clear the intersection.

  • A solid white line between lanes means lane changes are discouraged; a double solid white line prohibits crossing.

  • A broken yellow line separates traffic moving in opposite directions and permits passing when safe.

  • A solid yellow line on your side means no passing; a double solid yellow line prohibits passing in both directions.

  • White markings generally separate traffic moving in the same direction; yellow markings separate traffic moving in opposite directions.

  • A green arrow means you may proceed in the direction of the arrow if the way is clear, and oncoming traffic is stopped.

Quick reference

Safe Driving Practices and Defensive Driving

  • Use the three-second following rule in good conditions; increase to four or more seconds in rain, snow, or darkness.

  • The legal blood alcohol concentration limit for drivers 21 and older is 0.08 percent; Connecticut's 'operating under the influence' law covers impairment by alcohol, drugs, or both.

  • For drivers under 21, any measurable blood alcohol content of 0.02 percent or higher can result in license suspension under zero-tolerance rules.

  • Scan 12 to 15 seconds ahead of the vehicle to identify hazards before they become emergencies.

  • If a vehicle begins to skid, ease off the accelerator and steer in the direction the rear of the vehicle is sliding.

  • Use low-beam headlights in fog, rain, and snow; high beams reflect off precipitation and reduce visibility.

  • A driver must not drive so slowly as to impede the normal flow of traffic; minimum speed limits may be posted.

  • When an emergency vehicle approaches with lights and siren, pull to the right edge of the road and stop until it passes.

  • If you miss an exit, continue to the next exit; backing up on a highway or limited-access road is prohibited.

Quick reference

Sharing the Road, Special Situations, and Vehicle Safety

  • Connecticut's Move Over law requires drivers to slow down and move over a lane, when safe, for stopped emergency, tow, and highway maintenance vehicles.

  • When passing a bicyclist, drivers must leave a safe distance; Connecticut law requires at least three feet of clearance.

  • Pedestrians in a crosswalk have the right-of-way; drivers must stop and remain stopped until the pedestrian has cleared the lane.

  • At a school bus with flashing red lights and an extended stop arm, traffic in both directions must stop unless separated by a median or physical barrier.

  • On a railroad crossing with flashing lights, gates, or a stop sign, stop; never stop on the tracks or attempt to beat a train.

  • Large trucks have significant blind spots on both sides and directly behind; avoid lingering in those areas and never cut in front of a truck.

  • Before driving, check tire pressure, tread depth, lights, and fluid levels; a tire with insufficient tread increases stopping distance and hydroplaning risk.

  • In a skid or hydroplaning situation, take your foot off the accelerator and avoid hard braking until traction returns.

  • Motorcyclists are entitled to a full lane; a driver may not share a lane with a motorcycle or moped.

Quick reference

Connecticut Driving Laws and Rules of the Road (Additional)

  • A driver must not follow an emergency vehicle responding to a call closer than 500 feet, and may not park within 25 feet of a fire hydrant.

  • Parking is prohibited within 25 feet of a crosswalk at an intersection and within 10 feet of a fire hydrant in many jurisdictions.

  • U-turns are permitted only where not prohibited by signs or markings and only when they can be made safely without interfering with traffic.

  • Connecticut's 'move over' requirement applies to any stationary vehicle with flashing lights, including tow trucks and highway workers.

  • A driver must yield to oncoming traffic when making a left turn at an intersection unless a green arrow protects the turn.

  • A right turn on red is permitted after a complete stop and yield, unless a sign prohibits it.

  • Drivers may not use a hand-held mobile phone while driving; hands-free use is permitted for drivers 18 and older.

  • Drivers under 18 are subject to passenger and hours restrictions under Connecticut's graduated licensing program.

  • A vehicle must be able to stop within the assured clear distance ahead, adjusted for speed, road, and weather conditions.

Quick reference

Signals, Signals, and More Signals

  • A red arrow means stop and do not proceed in the direction of the arrow until it changes to green.

  • A yellow arrow means the protected movement is ending; prepare to stop or yield to oncoming traffic.

  • A flashing yellow arrow permits a turn after yielding to oncoming traffic and pedestrians.

  • A steady green light means proceed if the intersection is clear; do not enter if traffic will block the intersection.

  • Pedestrian signals: a walking person means proceed; a raised hand means do not start crossing; a flashing hand means finish crossing.

  • A stop sign requires a complete stop at the stop line, crosswalk, or edge of the roadway before proceeding.

  • When two vehicles reach a four-way stop at the same time, the vehicle on the left yields to the vehicle on the right.

  • A driver turning left at a green light must yield to oncoming traffic and pedestrians.

  • Lane-use control signals (red X, green arrow) indicate whether a lane is open or closed for travel.

Quick reference

Basic Vehicle Control and Safety

  • The parking brake should be set before leaving a parked vehicle; on a hill, turn the front wheels toward the curb when facing downhill.

  • When parked uphill with a curb, turn the front wheels away from the curb; without a curb, turn them toward the edge of the road.

  • Check mirrors and blind spots before changing lanes; signal, then move only when the lane is clear.

  • Adjust the seat and mirrors before starting the vehicle; the rearview mirror should frame the entire rear window.

  • Braking distance increases with speed and with wet or icy surfaces; double the following distance in adverse weather.

  • Tire blowouts: hold the steering wheel firmly, ease off the accelerator, and steer to a safe stop; do not brake hard.

  • If the accelerator sticks, shift to neutral and brake firmly while steering to the side of the road.

  • A vehicle's headlights should be on whenever windshield wipers are in continuous use, per Connecticut law.

  • Never leave a child or pet unattended in a parked vehicle; interior temperatures can rise rapidly even in mild weather.

Quick reference

Sharing the Road with Pedestrians, Bicycles, and Others

  • Pedestrians have the right-of-way in marked crosswalks and at intersections with no marked crosswalk.

  • A driver must not pass a vehicle stopped at a crosswalk; the stopped vehicle may be yielding to a pedestrian.

  • Bicyclists must ride with traffic, not against it; drivers should treat bicycles as vehicles with the same rights and responsibilities.

  • When a school bus displays flashing red lights, traffic in both directions must stop unless separated by a median or physical barrier.

  • Motorcyclists may use a full lane; drivers must not share a lane with a motorcycle or moped.

  • Large trucks have wide blind spots on both sides and directly behind; avoid lingering in those areas and never cut in front of a truck.

  • Emergency vehicles with lights and siren have the right-of-way; pull to the right and stop until they pass.

  • At railroad crossings with flashing lights, gates, or a stop sign, stop; never stop on the tracks or attempt to beat a train.

  • When passing a bicyclist, Connecticut law requires at least three feet of clearance.

Quick reference

Connecticut Alcohol, Drug, and Point System Rules

  • Connecticut uses a point system; accumulating points from traffic convictions can lead to license suspension.

  • A conviction for operating under the influence carries license suspension and possible ignition interlock device requirements.

  • Refusing a chemical test at an arrest for operating under the influence results in automatic license suspension under implied consent.

  • Drivers under 21 with a blood alcohol content of 0.02 percent or higher face suspension under zero-tolerance rules.

  • Open containers of alcohol in the passenger area of a vehicle are prohibited.

  • Connecticut's 'operating under the influence' law covers impairment by alcohol, drugs, or both.

  • A driver may be charged with operating under the influence even if the vehicle is not moving, if the driver is in control of it.

  • Repeat convictions for operating under the influence carry longer suspensions and mandatory interlock devices.

  • A driver must carry proof of insurance and may face penalties for driving without it.

Quick reference

Winter and Adverse Weather Driving

  • In snow and ice, increase following distance to at least four seconds and reduce speed below the posted limit.

  • Use low-beam headlights in fog, rain, and snow; high beams reflect off precipitation and reduce visibility.

  • If a vehicle begins to skid, ease off the accelerator and steer in the direction the rear of the vehicle is sliding.

  • Hydroplaning occurs when tires ride on a film of water; ease off the accelerator and avoid hard braking until traction returns.

  • Bridges and overpasses freeze before roadways because cold air circulates under them.

  • Black ice is most likely at dawn, in shaded areas, and on bridges; reduce speed and avoid sudden steering or braking.

  • Connecticut law requires headlights whenever windshield wipers are in continuous use.

  • In heavy rain, avoid cruise control so you can react quickly to a loss of traction.

  • Snow tires or chains may be required in posted areas; check tire tread depth before winter.

Quick reference

Road Markings and Lane Use

  • A solid white line between lanes means lane changes are discouraged; a double solid white line prohibits crossing.

  • A broken yellow line separates traffic moving in opposite directions and permits passing when safe.

  • A solid yellow line on your side means no passing; a double solid yellow line prohibits passing in both directions.

  • White markings generally separate traffic moving in the same direction; yellow markings separate traffic moving in opposite directions.

  • A green arrow means you may proceed in the direction of the arrow if the way is clear, and oncoming traffic is stopped.

  • Lane-use control signals (red X, green arrow) indicate whether a lane is open or closed for travel.

  • A center left-turn lane is shared by traffic in both directions for left turns only; it is not a travel lane.

  • A solid white line at an intersection marks the stop line; stop before it when required.

  • Painted arrows in a lane indicate the direction traffic must travel from that lane.

Quick reference

Distracted and Impaired Driving

  • Connecticut law prohibits the use of a hand-held mobile phone while driving; hands-free use is permitted for drivers 18 and older.

  • Texting while driving is prohibited for all drivers, including at red lights.

  • Distracted driving includes eating, grooming, adjusting the radio, and interacting with passengers.

  • A driver may be charged with operating under the influence even if the vehicle is not moving, if the driver is in control of it.

  • Open containers of alcohol in the passenger area of a vehicle are prohibited.

  • Fatigue impairs reaction time and judgment similarly to alcohol; take breaks every two hours on long trips.

  • Prescription and over-the-counter medications can impair driving; check labels for warnings.

  • Connecticut's 'operating under the influence' law covers impairment by alcohol, drugs, or both.

  • Refusing a chemical test at an arrest for operating under the influence results in automatic license suspension under implied consent.