Missouri DMV Cheat Sheet
A condensed study guide for the Missouri DOR written knowledge test — test logistics, plus the Missouri-specific rules most likely to differ from what you already know. This isn't a substitute for the official Missouri driver's manual, or for practicing the real questions. Looking for the core rules and signs that apply everywhere, not just Missouri? Check the general driving theory cheat sheet instead.
25Questions
80%To Pass
$10 instruction permitFee
- Test length varies: Missouri's own Driver Guide states its Class F (operator) written knowledge exam is 25 multiple-choice questions, with at least 20 correct (80%) needed to pass -- plus a separate road-sign recognition test with no fixed published question count, a vision test, and a driving skills test. This site's practice test and mock exam also run 25 questions per round, matching the real exam length.
- Fee: An instruction permit costs $10 (valid up to 12 months); an Intermediate License is $14 (valid up to 2 years); a Full (Class F) License is $16.50 for a 3-year term or $33 for a 6-year term, based on age and document verification status. The written, vision, road-sign, and driving tests themselves carry no separate testing fee.
- Documents required:
- One document proving your identity, including full legal name and date of birth
- One document proving your lawful status in the United States
- Your Social Security number
- One or two documents proving Missouri residency (two required for a REAL ID-compliant document)
- A parent, stepparent, or legal guardian to sign a permission statement if you're under 18
- If you don't pass: The Guide doesn't publish a specific wait period for retaking the written knowledge test itself. The driving skills test is capped at one attempt per day, and after a third failure you can't test again without written authorization from the Department of Revenue, which requires proof of additional behind-the-wheel training first.
- Online testing: A first-time instruction permit or driver license application always requires an in-person visit -- the knowledge, road-sign, and driving tests are given only at a Missouri State Highway Patrol examination station, a separate agency from the license office where you later apply for the physical credential.
Missouri-Specific Rules
Minor & Provisional Licensing
- An Instruction Permit must be held at least 182 days, with 40 hours of supervised driving logged (at least 10 at night), before graduating to an Intermediate License.
- Under 16, a permit holder needs a qualifying relative or instructor supervising, or a person 25+ licensed 3+ years with written parental permission; at 16+, any licensed driver 21+ qualifies.
- An Intermediate License holder may carry only 1 non-family passenger under 19 for the first 6 months, then up to 3 after that.
- An Intermediate License holder can't drive alone 1-5 a.m. except to/from school, work, or an emergency, unless a licensed 21+ driver rides along.
- Graduating to a Full Under-21 License requires no alcohol-related offenses or traffic convictions in the last 12 months, and a driving privilege that isn't suspended, revoked, or denied.
- Every passenger of an Intermediate License holder -- front or back -- must wear a seat belt, a stricter rule than Missouri's front-seat-only law for other drivers.
- A motorcycle instruction permit at 15½ requires a completed rider training course plus daylight-only, 50-mile-radius, 250cc-max, no-passenger limits; at 16+, no course is required but the Class F and M written tests must be passed.
- Only one driving skills test is allowed per day; after a third failure, testing again requires written DOR authorization plus proof of added behind-the-wheel training.
- A parent or guardian can file Form 4811 to deny or cancel their under-18 child's driver license -- the denial lasts until the minor turns 18 or the request is lifted.
DUI Laws & Penalties
- A .08%+ BAC (.02%+ for a minor) takes your license immediately with a 15-day notice -- including a 15-day temporary permit -- plus the option of a hearing or an immediate 90-day Restricted Driving Privilege.
- A first DWI conviction brings up to 6 months in jail, up to a $500 fine, and a 90-day suspension; a second within 5 years escalates to a full 1-year revocation.
- Missouri's Abuse and Lose Law takes a license for 90 days from a driver under 21 for an alcohol-related offense (1 year for a 21+ driver using drugs while driving) -- reinstatement needs a $45 fee, SATOP, 2-year SR-22, and a full retest.
- Minor in Possession or another intoxication-related offense escalates: 30-day suspension (1st), 90-day (2nd), 1-year revocation (3rd).
- Refusing a chemical BAC test brings an automatic 1-year license loss -- longer than the consequence for simply failing the test.
- More than one intoxication-related contact on record requires an ignition interlock device for at least 6 months, violation-free for the last 3.
- 8+ points in 18 months brings an escalating suspension (30/60/90 days); 12 points in 12 months, 18 in 24, or 24 in 36 brings a full 1-year revocation.
- Reinstatement resets your point total to 4, then it drops by a third after 1 clean year, by half after 2, and to zero after 3.
- Missouri's minimum liability insurance is 25/50/25, plus mandatory uninsured-motorist coverage of $25,000/$50,000.
- A no-insurance suspension carries an escalating reinstatement fee: $20 (1st), $200 plus 90 days (2nd), $400 plus a full year (3rd+).
Speed, Right-of-Way & Legal Rules
- Missouri's speed ladder: 70 mph on rural interstates/freeways, 65 on rural expressways, 60 on urban interstates/freeways/expressways and other non-urban roads, 55 on lettered roads, 25 in any city/town/village unless posted.
- Interstates also carry a 40 mph minimum speed under normal conditions.
- Missouri's own guide teaches a "Three Second Rule" for following distance, not a longer count.
- A two-way left-turn center lane can't be used as a travel lane for more than 500 feet.
- Never make a left turn to enter a Missouri roundabout -- always enter with a slight right turn.
- A J-Turn intersection replaces a direct crossing of a 4-lane highway with a right turn, a merge left, then a left turn.
Emergency Vehicles, School Buses & Work Zones
- A school bus flashes amber lights 500 feet before stopping; you don't have to stop when opposite-direction on a 4+-lane or median-divided highway, or when the bus is stopped in a loading zone.
- You must change lanes for a stationary emergency vehicle only on a 4+-lane road with 2+ lanes your direction; otherwise, slow down and proceed with caution.
- Speeding or passing in a work zone adds its own fine: $250 minimum (1st offense), $300 minimum (2nd+), on top of any other fine.
Vehicle Handling & Road Conditions
- Hydroplaning can start above 35 mph; in a severe rainstorm, tires can fully lose road contact at 55 mph.
Parking Rules & Technique
- Illegally using a handicapped parking space draws a $50-$300 fine; the striped access aisle beside it is off-limits even with a valid placard.
Pedestrians, Bicyclists & Children
- Missouri's child restraint law has 4 tiers: under 4 (any weight) or under 40 lbs (any age) needs a child seat; 4-7 and 40-79 lbs and under 4'9" needs a child seat or booster; 8+, 80+ lbs, or 4'9"+ can use a seat belt or booster.
- State law does not require a bicycle or moped helmet, though the Guide recommends a safety-certified one.
- A bicycle's brakes must stop it within 25 feet at 10 mph, and it needs lights/reflectors visible from 200-600 feet when riding from a half hour after sunset to a half hour before sunrise.
- None of Missouri's three electric-bicycle classes require an operator or motorcycle license to ride.
- A funeral procession has the right-of-way at every intersection, except for an emergency vehicle or a law enforcement officer's direction.
Trucks, Motorcycles & Slow-Moving Vehicles
- A slow-moving-vehicle emblem is required on any vehicle going 25 mph or slower, from sunset to a half hour before sunrise, mounted 4+ feet up.
- A towline must keep both vehicles within 15 feet of each other, with lights on at night.
- Studded snow tires are only legal November 1 through April 1.
Defensive Driving
- Missouri's Electronic Communication Device law bans holding a phone, texting, or watching video while driving, but allows hands-free calls, voice-to-text, GPS, and music apps -- violations before 1/1/2025 drew only a warning, an infraction after.
- Missouri's "Move It" law ("Steer It and Clear It") requires moving your vehicle off the road after a minor, non-injury crash rather than leaving it blocking a lane.
Rules and fees change — always confirm current details with Missouri DOR before your exam. Cheat sheet v1.0, last checked 2026-07-31.