Missouri Department of Revenue · 2026
Missouri DOR Test Cheat Sheet
Every number and rule you need to memorize — all on one page. Print this out.
Speed Limits
| Location | Speed |
|---|
| Rural interstate | 70 mph |
| Rural expressways | 65 mph |
| Urban interstate/freeway/expressway | 60 mph |
| Non-lettered state highway (non-urban) | 60 mph |
| Lettered roads | 55 mph |
| City/town (urban) | 25 mph |
| School zone (lights flashing / children present) | Posted speed — obey reduced limit |
| Mobile home parks | 15 mph |
| School bus (non-interstate roads) | 40 mph |
Parking Clearances
| Object | Minimum Distance |
|---|
| Fire hydrant | 15 feet |
| Crosswalk at intersection | 20 feet |
| Fire station driveway | 20 feet |
| Stop sign / yield sign / traffic signal | 30 feet |
| Railroad crossing (nearest rail) | 50 feet |
| Parallel parking (from curb) | 12 inches max |
DWI / Alcohol Laws
| Rule | Value |
|---|
| BAC limit (21+) | 0.08% |
| BAC limit (under 21) | 0.02% |
| Enhanced DWI penalties | 0.15%+ BAC |
| Refusing chemical test | 1-year REVOCATION |
| 1st DWI (BAC under .15%) | Class B misdemeanor — up to 6 months jail |
| 1st DWI (BAC .15%+) | Aggravated DWI — enhanced penalties, mandatory IID |
| 2nd DWI within 5 years | Class A misdemeanor or felony (enhanced) |
| Cannabis | Legal in Missouri — but driving impaired = DWI |
Teen / GDL Rules
| Rule | Value |
|---|
| Instruction permit age | 15 (no driver's ed required) |
| Supervised driving required | 40 hours (10 at night) |
| Permit hold period | 182 days (6 months) |
| Required practice hours | 40 hours (10 at night) |
| Supervisor minimum age | 25 (with written parental permission, licensed 3+ yrs) if driver is under 16 — OR any licensed driver 21+ if driver is 16+ |
| Intermediate license age | 16 years old (after 182-day permit hold + no traffic violations in last 6 months) |
| Curfew (intermediate license) | 1:00 a.m. – 5:00 a.m. every day — no day-of-week variation |
| Full license available | Age 18 |
| Hands-free law | ALL drivers (not just teens) |
Distances & Equipment
| Rule | Value |
|---|
| Following distance | 3 seconds (more in bad conditions) |
| Signal before turning | 100 feet (Missouri law) |
| Dim high beams — oncoming | 500 feet |
| Dim high beams — following | 300 feet |
| Headlights on when | ½ hour after sunset until ½ hour before sunrise, + any time wipers are on |
| Headlights visibility required | 500 feet |
| Horn | Must be functioning and audible to other drivers and pedestrians |
| Signal before turning | 100 feet minimum (already listed above) |
| Passing clearance for cyclists | Safe distance (no fixed statewide number) |
| Stop from railroad tracks | 15–50 feet from nearest rail |
| License valid (under 75) | 6 years |
| Retake exam after fail | Next business day |
| Retake driving test after fail | One test per day allowed; after 3 fails, need DOR written authorization |
Print tip: Press Ctrl+P (or Cmd+P on Mac) to print this page. Keep it by your desk while studying, then leave it home on test day — you've got this.