📖 Colorado DMV Study Guide

Everything important from the Colorado Driver Handbook (December 2024) — organized for the exam

⭐

Memorize these numbers first. Colorado DMV test questions are frequently built around specific distances, speeds, BAC levels, and time periods. These come up constantly.

Speed Limits

HIGH FREQUENCY

25 mph

Default speed limit in any business district ( Speed). Always obey posted limits.

30 mph

Default speed limit in any residence district ( Speed).

Posted

Colorado school zones: obey the posted reduced limit. Fines are DOUBLED in active school zones ( Construction Zones).

65–75 mph

Designated rural interstate and highway (where posted). Urban interstate: 55 mph. Open mountain highway: 40 mph. Narrow winding mountain highway: 20 mph ( Speed).

Posted

Speed limits are posted for ideal conditions. Drivers must reduce speed for rain, ice, heavy traffic, or any condition that makes the posted speed unsafe.

3 sec

Three-second rule under normal conditions. Pick a fixed reference point; if you pass it before counting "one-thousand-three," you're too close ( Safe Driving Tips).

4+ sec

Increase following distance in rain, fog, snow, ice, night, high winds, or when following a motorcycle or truck ( Weather / Safe Driving Tips).

📏

Critical Distances & Clearances

HIGH FREQUENCY

15 ft

Minimum parking clearance from a fire hydrant ( Parking).

20 ft

Stop at least 20 feet from the front or rear bumper of a school bus with red lights flashing. Applies both directions ( Right-of-Way / School Bus).

30 ft

No parking within 30 feet of a traffic signal, stop sign, or railroad crossing ( Parking).

10 ft

When waiting for a passing train without a painted stop line, stay at least 10 feet from the tracks (trains overhang by 3 ft) ( Railroad Crossing).

12 in

Parallel park within 12 inches of the curb (or as close as possible to the shoulder edge) ( Parking).

Both headlights

After passing, return to your lane only when you can see BOTH headlights of the passed vehicle in your rearview mirror.

500 / 200 ft

Dim high beams within 500 feet of an oncoming vehicle and within 200 feet when following another vehicle ( Night Driving).

1,000 ft

Headlights required from sunset to sunrise OR whenever visibility is less than 1,000 feet ( Night Driving).

100 / 200 ft

Signal continuously 100 ft before a turn or lane change in urban areas, and 200 ft on 4-lane highways >40 mph. Minimum signal-on time: 3 seconds ( Turning / Changing Lanes).

Driver + front seat + under 16

Colorado seat belt law: driver, front-seat passengers, and children under 16 must be restrained — primary enforcement ( Seat Belt Laws).

3 ft

When passing a bicyclist, allow a MINIMUM of 3 feet of clearance between the outermost part of your vehicle (mirrors/trailer included) and the cyclist ( Bicyclists).

Stop 20 ft

Stop at least 20 ft before a school bus with red lights flashing, both directions — UNLESS a median or other physical barrier separates the bus from your vehicle ( Right-of-Way).

🍺

DUI & Alcohol Numbers

ALWAYS ON TEST

0.05% / 0.08%

DWAI at 0.05% BAC; DUI per se at 0.08% BAC (drivers 21+). Colorado is one of the few states with two distinct impaired-driving charges ( Driving Under the Influence).

0.02%

Zero Tolerance for drivers under 21. 1st DUI/DWAI conviction = revocation if court-ordered program not completed. 2nd or 3rd = mandatory revocation ( Driving Under the Influence).

1st DUI

$600–$1,000 fine, 5–365 days jail, 48–96 hrs community service, 9-month license revocation. 1st DWAI: $200–$500, 2–180 days jail, 24–48 hrs CS, 8 points ( Table 1).

Express Consent

Colorado Express Consent Law (C.R.S. 42-4-1301.1): refusal of blood/breath/saliva/urine test = 1-year license revocation + ignition interlock for 2 years ( Driving Under the Influence).

No plea bargain

Colorado law does not allow plea bargaining out of an alcohol- or drug-related driving offense. Reinstatement fees set by DMV — confirm at myDMV.Colorado.gov ( Driving Under the Influence).

🎓

Teen / GDL Numbers

ON EXAM

Age 15

Instruction Permit at 15 with driver education (or 16 without). Supervisor must be 21+ with a valid Colorado license, seated in the front passenger seat. Minors need a signed Affidavit of Liability (DR2460). Hold permit 12 months before licensure ( Minor Drivers).

Age 16

Driver license eligible at 16 after 12 months with an Instruction Permit, 50-hour driving log (10 at night), and — if under 16½ — 6 hours of behind-the-wheel training with an approved instructor ( Minor Drivers).

Midnight–5 AM

First year of licensure (under 18): no driving midnight to 5 a.m. unless accompanied by instructor/parent/legal guardian. Exceptions: school, work with signed statement, medical emergencies, emancipated minors ( Minor Drivers).

0 → 1 → Unlimited

First 6 months after licensure: no passengers under 21 unless a parent or licensed adult is present. After 6 months: 1 passenger under 21. After 1 year: as many as seat belts. Siblings and medical emergencies are exceptions ( Minor Drivers).

12 months

Under-18 applicants must hold their Instruction Permit for 12 months before applying for a driver license ( Minor Drivers).

Age 18

All minor-driver rules end at age 18. Time-based passenger and curfew restrictions end after 1 year of licensure. License validity and fees: confirm at myDMV.Colorado.gov.

⏱️

Following Distance & Time Rules

ON EXAM

3 sec

Three-second rule: watch the vehicle ahead pass a fixed reference point; count "one-thousand-one, one-thousand-two, one-thousand-three." If you pass it before you finish, you're too close ( Safe Driving Tips).

4+ sec

Increase following distance in rain, fog, snow, ice, high winds, night driving, or when following a motorcycle or large truck ( Weather / Night Driving).

~200 ft @ 55

Per the National Safety Council (cited in ), a lightweight passenger car traveling 55 mph can stop in about 200 ft under ideal conditions. Reaction time, tires, pavement, and brake condition all matter.

Hands-free

Colorado prohibits manual use of a mobile device while driving (hands-free accessory OK) and bans texting while driving outright — exceptions for emergencies and contacting law enforcement/fire ( Safe Driving Tips).

🚦

Road signs are tested heavily. Know each sign's shape, color, and meaning. The real test often shows a sign description and asks what it means.

🔴

Sign Shapes — Each Shape Has One Meaning

ALWAYS TESTED

Shape	Meaning	Example
Octagon (8-sided)	STOP — always and only	Stop sign
Triangle (pointing down)	YIELD — give right of way	Yield sign
Diamond	WARNING — hazard ahead	Curve, pedestrian, deer
Pentagon (5-sided)	SCHOOL ZONE	School crossing
Pennant (triangle right)	NO PASSING ZONE	No-passing pennant
Round (circle)	RAILROAD CROSSING advance warning	RR crossing sign
Rectangle (vertical)	REGULATORY — rules you must follow	Speed limit, turn restrictions
Rectangle (horizontal)	GUIDE or INFORMATION	Street name, mile marker
X-shaped crossbuck	RAILROAD CROSSING — treat like yield	Railroad crossbuck

🎨

Sign Colors — Color Tells You the Category

ALWAYS TESTED

Color	Category	What It Means
Red	Regulatory — STOP / PROHIBIT	Stop, yield, do not enter, wrong way, no-turn circles
Yellow	WARNING	General hazard warnings — curves, hills, intersections, animals
Orange	WORK ZONE / CONSTRUCTION	All orange signs = construction or maintenance ahead. Colorado work-zone violations carry DOUBLED fines ( Construction Zones).
Green	GUIDE / DIRECTIONAL	Highway exits, distances, direction, mile markers
Blue	SERVICES	Gas, food, lodging, hospital, rest area
Brown	RECREATION / CULTURAL	Parks, campgrounds, historical sites, scenic areas
White	REGULATORY	Speed limits, lane rules, turn restrictions
Fluorescent Yellow-Green	WARNING — pedestrian / school / bike	School zones, crosswalks, bike lanes
Fluorescent Pink	INCIDENT MANAGEMENT	Crash clean-up, debris removal, temporary traffic control

⚠️

Signs That Are Frequently Confused

TRICKY

No Passing Pennant vs. No U-Turn: The pennant (pointing right) = no passing. A circle with a slash over a U-turn arrow = no U-turn. Very different.

Crossbuck (RR) vs. Stop Sign: The crossbuck (white X) = yield/slow down and check. Only stop if a train is coming. The octagon = always stop.

Divided Highway Begins vs. Ends: Begins = two arrows pointing apart (median starts). Ends = two arrows merging together (median ends — expect two-way traffic).

Merge vs. Lane Ends: Merge = two roads joining (both cars adjust). Lane Ends = one lane disappears — that driver must yield and merge.

Red Circle with Slash: Always means that action is PROHIBITED. No left turn, no trucks, no bicycles — whatever is inside the circle is forbidden.

⭐

Right of way is the #1 failure topic on the DMV knowledge test. Master every scenario below — these questions will be on your exam.

⛽

The Core Right-of-Way Rules

MOST TESTED

Uncontrolled intersection — arrive at same time: Yield to the driver on your RIGHT. This is the most tested right-of-way rule.

Left turn at green light: You must always yield to oncoming traffic AND pedestrians — even with a green light. A green light is permission to go, not a guarantee of right of way.

Pedestrians in a crosswalk: Always yield. Stop and wait until the pedestrian has completely crossed — not just stepped back. This includes jaywalkers in many situations.

Blind pedestrian (white cane / guide dog): Absolute right of way — you must stop regardless of where they are crossing.

Four-way stop: First to arrive goes first. Simultaneous arrival = yield to the driver on your right. Straight traffic before turning traffic if both arrive at same time from opposite directions.

Emergency vehicles (lights + siren): Pull to the right edge of the road and stop. Clear intersections first — never stop IN an intersection.

Entering from driveway / private road: Always yield to all traffic on the public road — you have no right of way entering from private property.

Roundabout: Vehicles inside the roundabout always have right of way. Entering traffic must yield. When exiting, yield to pedestrians at the crosswalk.

Merging onto a highway: Traffic already on the highway has right of way. The merging vehicle must yield and find a safe gap.

Non-functioning traffic signal: Treat as an all-way stop. All drivers stop, yield, and take turns.

💡

Right-of-Way Scenarios That Trick People

TRICKY

Yellow light: It does NOT mean speed up. If you can stop safely, you must. Proceed only if stopping would be unsafe (you're too close to stop).

Already in intersection when light turns red: Complete the turn — you are committed. Other traffic must wait for you to clear.

Backing out of a driveway: The reversing vehicle always yields to street traffic. You have no right of way in reverse.

Colorado Move Over Law: When approaching any stationary vehicle on a highway with its hazards flashing (emergency, tow, maintenance, service), move over one lane if it's safe. If you can't (one lane each direction, or unsafe), slow to at least 20 mph below the posted speed limit. Emergency vehicles with siren/horn/flashing lights require pulling to the right and stopping ( Right-of-Way / Move Over Law).

Right turn on red: Legal ONLY after a complete stop and yielding to ALL traffic and pedestrians. Rolling right on red is illegal.

Left on red: Legal ONLY when turning from a one-way street onto another one-way street — after a complete stop and yielding.

🚥

Traffic Signal Meanings

ALWAYS TESTED

Signal	What You Must Do
Solid GREEN	Proceed — but yield to traffic already in intersection
Solid YELLOW	Prepare to stop if safe; proceed only if stopping would be dangerous
Solid RED	Stop completely; may turn right on red after stop and yield (unless posted)
GREEN ARROW	Protected turn — oncoming traffic must stop. You may turn in the arrow's direction, but still yield to vehicles and pedestrians already in the intersection.
YELLOW ARROW	Protected turn is ending — prepare to yield or stop
Flashing YELLOW ARROW	Unprotected turn — you MAY turn but MUST yield to oncoming and pedestrians
Flashing RED	Treat exactly like a STOP sign — stop, yield, proceed when safe
Flashing YELLOW	Caution — slow down and proceed carefully. Do not need to stop.
RED + GREEN ARROW	Stop for through traffic; turn in direction of arrow only
Signal NOT working	Treat as ALL-WAY STOP — all traffic stops

🛣️

Lane Markings — Know Each One

ON EXAM

Broken yellow center line: Passing is permitted from your side when it is safe.

Solid yellow line on your side: No passing from your side of the road.

Double solid yellow: No passing in either direction.

White lines: Separate traffic going in the same direction. Broken = lane change ok. Solid = discouraged (but not always illegal).

Yellow lines: Separate traffic going in opposite directions.

Center left-turn lane (two-way turn lane): Use ONLY to prepare for and make a left turn. Never use as a travel or passing lane.

Yellow X over a lane: Lane is CLOSED — move to a lane with a green arrow immediately.

White stop line: Stop your front bumper at or behind this line at intersections and crosswalks.

↔️

Safe Lane Changing Procedure

STEP BY STEP

Check your mirrors — rearview and side mirror on the side you're moving to

Signal your intent — Colorado requires a continuous turn signal 100 ft before a turn or lane change in urban areas and 200 ft on 4-lane highways where the speed limit exceeds 40 mph. Minimum on time: 3 seconds ( Turning / Changing Lanes).

Look over your shoulder — physically check the blind spot. Mirrors cannot see everything.

Change lanes gradually — smooth and controlled, not jerky

Cancel signal and adjust speed to match the lane's traffic flow

🚨

DUI questions appear on virtually every DMV knowledge test. Know the BAC levels, implied consent law, and penalties. Colorado uses the term "DUI" (Driving Under the Influence).

🍺

DUI Laws — The Numbers You Must Know

ALWAYS ON TEST

Situation	Consequence
BAC 0.05–0.079% (driver 21+) = DWAI	1st DWAI: $200–$500 fine, 2–180 days jail, 24–48 hrs community service, 8 points ( Table 1).
BAC 0.08%+ (driver 21+) = DUI per se	1st DUI: $600–$1,000 fine, 5–365 days jail, 48–96 hrs community service, 9-month license revocation ( Table 1).
Impairment below 0.05% (or drugs only)	Colorado convicts based on impaired driving behavior and totality of circumstance — not only BAC. DUI/DWAI applies to alcohol, marijuana, prescription drugs, and illegal drugs. Marijuana: permissible inference of DUI at 5 ng/ml THC ( Driving Under the Influence).
Test refusal (Express Consent)	1-year license revocation + ignition interlock required for 2 years on any motor vehicle you drive. Applies to blood, breath, saliva, or urine tests ( Express Consent Law C.R.S. 42-4-1301.1).
BAC 0.02%+ (under 21 Zero Tolerance)	1st DUI/DWAI: license revocation if court-ordered evaluation/program not completed. 2nd or 3rd: mandatory revocation. Possession of alcohol under 21 = revocation even if not driving ( Driving Under the Influence).
CDL driver BAC	Revocation based on BAC over 0.04% for a CDL driver ( Driving Under the Influence).
2nd / 3rd+ DWAI or DUI	2nd: $600–$1,500, 10–365 days, 48–120 hrs CS, 1-year revocation. 3rd+: $600–$1,500, 60–365 days jail, 48–120 hrs CS, 2-year revocation. Revocations may run consecutively with other suspensions ( Table 1).

💡

Critical DUI Facts to Remember

TESTED

Colorado Express Consent (C.R.S. 42-4-1301.1): When you operate a motor vehicle on a Colorado roadway, you have already agreed to take a chemical test of blood, breath, saliva, or urine when suspected of impairment. Refusing = 1-year license revocation + 2 years of ignition interlock ( Driving Under the Influence).

Only TIME removes alcohol: Coffee, food, cold showers, and fresh air do NOT lower your BAC. Your liver processes about 1 drink per hour — nothing speeds this up.

Impairment starts with the first drink: Judgment is the first driving ability affected. Colorado can convict a driver of DUI or DWAI based on observed impairment, driving behavior, and Standardized Field Sobriety Tests — not only BAC. Drivers are routinely convicted regardless of the drug or drug level found ( Driving Under the Influence).

Under-21 Zero Tolerance: BAC 0.02%+ under 21 = violation. 1st conviction: revocation if court-ordered evaluation/program is not completed. 2nd or 3rd conviction: mandatory revocation. Buying or possessing alcohol under 21 = revocation regardless of driving ( Driving Under the Influence).

Mixing drugs and alcohol: Never drink alcohol while taking medications or other drugs. Combinations may multiply effects, reduce driving ability, and cause serious health problems or death. Having a prescription is not a defense if the medication impairs driving.

Colorado hands-free / distracted-driving law: Colorado law prohibits using a mobile device while driving unless you are contacting law enforcement, fire department, or an emergency — or using a hands-free accessory. Texting while driving is prohibited outright ( Safe Driving Tips).

Drugs and driving: Driving while impaired by any drug — prescription, over-the-counter, or controlled — is illegal. Even legally prescribed medications that impair your ability to drive can lead to a DUI charge.

🚌

School bus rules are heavily tested. In Colorado, stop at least 20 feet before a school bus with red lights flashing — both directions — and remain stopped until the lights stop flashing. You are NOT required to stop if a median or other physical barrier separates the bus from your vehicle ( Right-of-Way).

🚌

School Bus Stopping Rules

HEAVILY TESTED

Two-lane / undivided road: Traffic in BOTH directions must stop at least 20 ft before a school bus displaying flashing red lights, on your side of the road, the opposite side, or at an intersection you are approaching ( Right-of-Way).

Divided-highway exception: In Colorado you are NOT required to stop if a median or other physical barrier separates the bus from your vehicle. Otherwise, all drivers approaching from either direction must stop ( Right-of-Way).

Same direction — always stop: Traffic traveling in the same direction as the bus must ALWAYS stop, regardless of road type or number of lanes.

After the bus stops: Remain stopped until the bus resumes motion or deactivates its warning signals AND all loading/unloading passengers have cleared the roadway. Then proceed slowly, watching carefully for children near the roadway.

When may you proceed: Only when the red lights STOP flashing, the stop arm retracts, and the bus begins moving. It is unlawful to pass a stopped school bus while it is loading or unloading passengers.

Yellow lights = warning: Yellow flashing = bus is about to stop. Slow down immediately and prepare to stop. Do not try to pass before it stops.

School buses must stop at ALL railroad crossings — regardless of whether warning signals are active. This is federal law.

Illegal to pass a stopped school bus: It is illegal and dangerous to not stop when a school bus has its stop lights on and stop arm extended. Colorado enforces serious penalties for violations — consult current CDOT/DMV resources for fine amounts and point values.

Watch for children near the bus: Always be alert for students on or near the roadway when a school bus is stopped. Children may dart into lanes from behind the bus to reach their destination. Proceed with extreme caution once the bus is moving again ( Right-of-Way).

Speed Laws — What You Must Know

ON EVERY TEST

Basic Speed Law: Drive at a speed that is reasonable and proper for existing conditions — even if that means going below the posted limit. Rain, fog, heavy traffic, school zones all require reduced speed.

Posted limits are MAXIMUMS: You may never legally exceed a posted limit, regardless of conditions, traffic, or what other drivers are doing.

Minimum speed law: Do not drive so slowly that you impede or block the normal flow of traffic. Driving too slowly is also illegal.

Work zone caution: Colorado work zones have clearly marked reduced speed limits. Fines are doubled in work zones. Construction crews are unprotected — watch for flaggers, barriers, and unpredictable conditions ( Construction Zones).

"Over-driving your headlights": Colorado requires headlights from sunset to sunrise or whenever visibility is less than 1,000 ft. At night, never drive faster than you can stop within the distance lit by your headlights — this is called over-driving your headlights ( Night Driving).

Sight-distance rule for conditions: Pick a stationary object ahead and count your approach time. If you reach the object before the expected count — you are going too fast for the conditions. Slow down.

↔️

Following Distance — The 3-Second Rule

TESTED

Pick a fixed object — a sign, overpass, or lane marking ahead

When the car ahead passes it, start counting: "one-one-thousand, two-one-thousand, three-one-thousand"

If you pass the object before 3 seconds — you are following too closely. Slow down and increase the gap. In rain, fog, snow, ice, or high winds, increase to 4+ seconds.

💡 When to increase beyond the minimum

Rain, snow, ice, or fog → 4 seconds minimum
Driving at night → increase beyond the minimum
Following a large truck or motorcycle → 4+ seconds
Towing a trailer → 4 seconds minimum
Driving at highway speeds → increase distance proportionally

📐

Passing Rules

TESTED

✓

You MAY pass when: There is a broken yellow line on your side, you have sufficient sight distance, and there is no sign or condition prohibiting passing.

✗

NEVER pass: On a curve or hill with obstructed view; within 100 ft of any intersection or railroad crossing; within 100 ft of any bridge/viaduct/tunnel where view is obstructed; in any marked no-passing zone; a school bus with flashing red lights and stop arm extended; or if you can't safely return to the right before coming within 200 ft of an oncoming vehicle ( Passing).

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When it is safe to return: You may move back into your original lane when both headlights of the passed vehicle are visible in your rearview mirror.

→

Passing on the right: Legal when the vehicle ahead is making a left turn and there is a safe lane to the right, or on a multi-lane road.

🅿️

Parking Clearance Requirements

TESTED

Location	Minimum Clearance
Fire hydrant	15 ft — Colorado parking clearance ( Parking)
Stop sign / yield sign / flashing signal / traffic control device	30 ft — Colorado parking clearance ( Parking)
Pedestrian safety zone	Not allowed — no parking in pedestrian safety zones or on a crosswalk ( Parking)
Crosswalk at intersection	Not on a crosswalk — Colorado prohibits parking on any crosswalk or sidewalk ( Parking)
Railroad crossing	30 ft — no parking within 30 ft of a railroad crossing ( Parking)
Fire station driveway / other driveway	No parking blocking any driveway (public or private) ( Parking)
Driveway entrance (public or private)	Not in front of — always prohibited
Accessible (disabled) parking space	Never without valid placard/plate — fine $350–$5,000, possible jail, loss of driving privileges, vehicle may be impounded. Using someone else's placard = jail + fines DOUBLED ( Pavement Markings).
Inside an intersection or on a crosswalk	Never — always illegal
Bridge, elevated structure, tunnel, on/off ramp, runaway truck ramp, controlled-access highway, bike lane	No parking anywhere on these ( Parking)
No Stopping zone	Never stop here, for any reason
No Parking zone	No parking — may stop to load/unload

⛰️

Parking on Hills — Wheel Position

TRICK QUESTION

💡

The rule: always turn wheels so that if the car rolls, it rolls away from traffic or is caught by the curb.

Situation	Turn Wheels	Why
Facing DOWNHILL, WITH curb	RIGHT (into curb)	Car rolls into curb and stops
Facing DOWNHILL, NO curb	RIGHT (away from road)	Car rolls away from traffic
Facing UPHILL, WITH curb	LEFT (away from curb)	Car rolls back, caught by curb
Facing UPHILL, NO curb	RIGHT (away from road)	Car rolls away from traffic

💡 Memory trick

Going downhill with a curb = wheels RIGHT into the curb
Going uphill with a curb = wheels LEFT, away from curb (tire catches it when rolling back)
No curb either way = wheels RIGHT, away from road

🎓

GDL questions appear on many tests. Know Colorado's Graduated Driver Licensing program, the restrictions in each phase, and the specific ages, hold periods, and curfew hours.

🎓

Colorado Graduated Driver Licensing (GDL)

ON EXAM

Phase 1 — Instruction Permit (age 15 with DE, or 16)

→

Instruction Permit: age 15 with driver education, or age 16 without. Under-18 applicants must submit a signed Affidavit of Liability (DR2460) from a parent, stepparent, grandparent with power of attorney, legal guardian, spouse older than 18, or other responsible adult. Permit fee set by DMV — confirm at myDMV.Colorado.gov ( Minor Drivers).

→

If the signer of the Affidavit of Liability later decides to stop accepting responsibility, they may withdraw their signature and the permit/license will be canceled. Minors in foster care may be exempt under specific conditions (DMV.Colorado.gov/foster-children-driver-licenses).

→

Supervisor: a person 21 years or older with a valid Colorado license must be in the front passenger seat while the permit holder is driving ( Getting A Driver License).

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Minors must hold the Instruction Permit for 12 months before applying for a driver license. All drivers are subject to Colorado's hands-free law — no manual use of a mobile device while driving — and the outright ban on texting while driving ( Minor Drivers / Safe Driving Tips).

Phase 2 — Driver License (age 16)

→

Eligibility: age 16+, Instruction Permit held for at least 12 months, 50 hours of supervised driving (10 at night) on the signed driving log, and — if under 16½ — 6 hours of behind-the-wheel training with an approved driver education instructor ( Minor Drivers).

→

First-year restrictions (under 18): First 6 months of licensure = no passengers under 21 unless a parent or licensed adult is present. 6–12 months = 1 passenger under 21. Siblings and medical emergencies are exceptions. Curfew: first year = no driving midnight–5 a.m. unless accompanied by instructor/parent/legal guardian (school/work/medical exceptions). All drivers subject to hands-free and no-texting laws ( Minor Drivers).

→

License fee and validity set by Colorado DMV — confirm at myDMV.Colorado.gov. Time-based restrictions end after 1 year of licensure, and all minor-driver rules end at age 18.

Unrestricted Driving (age 18+)

→

All minor-driver restrictions end at age 18. Time-based passenger and curfew restrictions end after 1 year of licensure. New Colorado residents must obtain a Colorado driver license within 30 days of becoming a resident (90 continuous days of residence, gainful employment, or business ownership) ( Getting A Driver License).

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Adult applicants (18+) must bring documents to prove identity, lawful presence, Social Security number, and Colorado residency (DMV.Colorado.gov/documents). Knowledge test, vision test, and driving skills test may be required unless transferring a current out-of-state license.

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Statewide hands-free law: Colorado prohibits manual use of a mobile device while driving (hands-free accessory is permitted). Texting while driving is prohibited outright. Emergency exceptions: contacting law enforcement, fire department, or any emergency ( Safe Driving Tips).

🛡️

Emergency Situations — What to Do

TESTED

💨

Tire blowout: Hold the wheel FIRMLY. Ease off gas (don't brake suddenly). Let the car slow naturally. Then gently steer to safety. Sudden braking causes a spin.

💧

Hydroplaning: Ease off gas, hold wheel steady, avoid braking. Let tires re-contact the road. Don't jerk the wheel or brake hard.

🔥

Engine fire: Pull over immediately, turn off engine, get EVERYONE out and move far away (100+ feet). Call 911. Never open the hood.

⚡

Brakes fail: Shift to a lower gear. Use the parking brake gradually. Look for a safe area to slow to a stop. Rub a tire on the curb if needed.

🌊

Accelerator sticks: Shift to NEUTRAL immediately. Apply brakes. Pull over. Turn engine off.

🌀

Vehicle skids: Ease off gas and brakes. Steer in the direction you want the front to go (into the skid). Do not overcorrect.

🚂

Stalled on railroad tracks: Get everyone out immediately. Move away from the vehicle and the tracks. Locate the Emergency Notification System (ENS) sign for emergency contact information, and call for help — tell them a vehicle is on the tracks.

🌫️

Driving in fog: Use LOW beams (high beams reflect off fog and blind you). Slow significantly. Use fog lights if available. Consider pulling over.

😴

Drowsy driving: Only cure = sleep. Pull over and rest. Coffee, window down, and music are NOT effective solutions. Drowsy driving equals drunk driving in impairment level.

❄️

Stranded in a blizzard: Stay in the vehicle (it's shelter and visible). Run engine briefly for heat with window cracked to prevent CO poisoning. Signal for help with hazards.

🧠

Defensive Driving Principles

ESSENTIAL

Scan ahead: Look well ahead of your vehicle — at least a city block in town and farther on highways. Check mirrors every few seconds and whenever slowing, changing lanes, or approaching intersections.

Keep an escape route: Always know where you could go if the car ahead stopped suddenly.

Bridges freeze first: Cold air circulates above AND below a bridge. Bridges ice before road surface — always treat them as potentially icy in winter.

Head-on collision approaching: Brake hard and steer RIGHT — even off the road. A head-on crash at speed is almost always fatal; going off-road is survivable.

Road rage: Never engage, retaliate, or make eye contact. Don't respond with gestures. Slow down, create distance. Report to 911 if dangerous.

Front wheel off pavement: Don't jerk the wheel — it can roll the car. Ease off gas, brake gently, and gradually steer back. Hold on tight.

🔧

Vehicle Equipment Requirements

TESTED

Equipment	Requirement
Headlights (on)	From sunset to sunrise, OR whenever visibility is less than 1,000 feet. Parked vehicles alongside the road must also have parking lights on during the same window. Parking lights alone are not enough for driving ( Night Driving).
High beams (dim)	Dim within 500 ft of an oncoming vehicle. Dim within 200 ft when following another vehicle. In fog: use LOW beams or fog lights — high beams reflect off fog and reduce visibility ( Night Driving / Weather).
Horn	Use when needed to prevent a crash. Do NOT use to express anger, greet friends, or encourage others to move. Avoid around blind pedestrians and animal-drawn vehicles.
Turn signals	Continuous turn signal 100 ft before a turn or lane change in urban areas; 200 ft on 4-lane highways >40 mph. Minimum 3 seconds on. Signal must be canceled within 3 seconds of completing the turn or lane change. If your signals don't work, use hand signals ( Turning / Changing Lanes).
Tinted windows	Windshield and windows must not obstruct the driver's view. Specific VLT (visible light transmission) limits are set by CO regulation — confirm current numbers with CDOT / DMV.
TVs / video screens visible to driver	Prohibited while vehicle is in motion (navigation is typically excepted — confirm against Colorado manual).
Muffler	Must prevent excessive or unusual noise
Brakes	Vehicles must have working service brakes capable of stopping under control. Parking brake required. Test brakes lightly after driving through deep water to dry them out.
Wipers	Must adequately clean the windshield when used
Tail lights / rear reflector	Tail lights and rear reflectors are required equipment on all vehicles. Keep lenses clean for night-driving visibility.
Tires	Tire condition and tread composition directly affect stopping distance. Proper inflation and good tread are critical.
Hazard lights	For use when parked/stopped in an emergency — not while driving normally
Seat belts & child restraints	Driver, all front-seat passengers, and children under 16 must be restrained (primary enforcement). Child restraint thresholds: under 2 & under 40 lbs = rear-facing in rear seat; under 2 & 40+ lbs = rear- or forward-facing; 2 to under 4 & 20+ lbs = restraint in rear seat; 4 to under 9 & 40+ lbs = restraint or booster in rear seat; 9–18 = seat belt or restraint per manufacturer ( Seat Belt Laws).

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Headlight Rules That Are Tested

TESTED

Headlights required by Colorado law: From sunset to sunrise, OR whenever visibility is less than 1,000 feet. Any vehicle parked alongside the road (attended or not) must also have parking lights on during this window. A good practice is to use low beams or daylight running lights at all times ( Night Driving).

Parking lights ≠ headlights: Parking lights are for indicating a parked vehicle only. Headlights are required for driving during the hours and conditions above — not parking lights.

Dim high beams: Within 500 ft of an oncoming vehicle; within 200 ft when following another vehicle. In fog, rain, or snow: use LOW beams — high beams reflect off droplets and reduce visibility ( Night Driving / Weather).

Night driving — "drive in your headlights": Never drive faster than you can stop within the distance lit by your headlights. This is called over-driving your headlights and is dangerous.

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Before the Test — What to Do

PREPARATION

Take the DMV Exam Simulator at least 5 times and score 90%+ consistently. Don't go in when you're scoring 80% — aim higher than the minimum.

Use the "Weak Spots" mode the night before. Every question you got wrong — review those explanations until you understand WHY, not just what the answer is.

Memorize the Key Numbers tab — BAC limits, distances, suspension periods, speed limits. These are direct exam fodder.

Get a good night's sleep. Drowsy test-taking impairs recall just like drowsy driving impairs reaction time.

Bring required documents: Proof of identity and lawful presence (birth certificate, passport, permanent resident card); proof of Social Security number; two documents proving Colorado residency; signed Affidavit of Liability (DR2460) for minors; proof of any required behind-the-wheel training; and your glasses/contacts if you have a corrective-lens restriction. Full list at DMV.Colorado.gov/documents.

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During the Test — How to Answer

STRATEGY

The safest answer is usually correct. When in doubt, pick the option that is most cautious, most yields, or stops the most. Colorado tests reward safe, defensive driving choices.

Watch for "NEVER" and "ALWAYS" options. These are sometimes traps — but in driving law there are many absolute rules (ALWAYS stop for a school bus with flashing reds, NEVER pass on a hill crest, etc.).

"All of the above" is very often the correct answer on knowledge tests — especially for questions about DUI charges, suspension triggers, and violations.

Read every word. Test questions often hinge on words like "divided highway" vs. "undivided," "business district" vs. "residential," or "first offense" vs. "subsequent offense."

Refusing a BAC test — can cost your license. Colorado's Express Consent Law (C.R.S. 42-4-1301.1) automatically revokes your license for 1 year and requires ignition interlock for 2 years on any vehicle you drive. Refusal can also be used as evidence at trial ( Driving Under the Influence).

The real Colorado DMV knowledge test: Approximately 25 questions; 80% to pass (about 20 of 25 correct). Single section (no signs-vs-rules split). No official time limit. The handbook does not state an exact question count — confirm at myDMV.Colorado.gov.

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Recommended Study Order

YOUR PLAN

Read Key Numbers tab — memorize every distance, speed, and BAC number

Read Right of Way + DUI tabs — the #1 and #2 failure topics

Read Road Signs + Signals tabs — shapes, colors, and signal meanings

Read School Buses + Parking tabs — specific rules with specific numbers

Take the Full Practice Bank — all available questions to identify weak spots

Use Weak Spots mode — drill every question you got wrong until you nail it

Run the DMV Exam Simulator 3–5 times — pass consistently with 90%+ before going in

Night before: Re-read the Key Numbers tab + Test-Day Tips tab. Good sleep. You've got this. ✅

📖 Colorado DMV Study Guide

Speed Limits

Critical Distances & Clearances

DUI & Alcohol Numbers

Teen / GDL Numbers

Following Distance & Time Rules

Sign Shapes — Each Shape Has One Meaning

Sign Colors — Color Tells You the Category

Signs That Are Frequently Confused

The Core Right-of-Way Rules

Right-of-Way Scenarios That Trick People

Traffic Signal Meanings

Lane Markings — Know Each One

Safe Lane Changing Procedure

DUI Laws — The Numbers You Must Know

Critical DUI Facts to Remember

School Bus Stopping Rules

Speed Laws — What You Must Know

Following Distance — The 3-Second Rule

💡 When to increase beyond the minimum

Passing Rules

Parking Clearance Requirements

Parking on Hills — Wheel Position

💡 Memory trick

Colorado Graduated Driver Licensing (GDL)

Emergency Situations — What to Do

Defensive Driving Principles

Vehicle Equipment Requirements

Headlight Rules That Are Tested

Before the Test — What to Do

During the Test — How to Answer

Top 10 Topics That Will Definitely Be on Your Test

Recommended Study Order

Ready to test what you've learned?

📖 Colorado DMV Study Guide

What to Study Before the Real Test

Speed Limits

Critical Distances & Clearances

DUI & Alcohol Numbers

Teen / GDL Numbers

Following Distance & Time Rules

Sign Shapes — Each Shape Has One Meaning

Sign Colors — Color Tells You the Category

Signs That Are Frequently Confused

The Core Right-of-Way Rules

Right-of-Way Scenarios That Trick People

Traffic Signal Meanings

Lane Markings — Know Each One

Safe Lane Changing Procedure

DUI Laws — The Numbers You Must Know

Critical DUI Facts to Remember

School Bus Stopping Rules

Speed Laws — What You Must Know

Following Distance — The 3-Second Rule

💡 When to increase beyond the minimum

Passing Rules

Parking Clearance Requirements

Parking on Hills — Wheel Position

💡 Memory trick

Colorado Graduated Driver Licensing (GDL)

Emergency Situations — What to Do

Defensive Driving Principles

Vehicle Equipment Requirements

Headlight Rules That Are Tested

Before the Test — What to Do

During the Test — How to Answer

Top 10 Topics That Will Definitely Be on Your Test

Recommended Study Order

Ready to test what you've learned?