Montana GDL Laws
Speed Limits & Passing
Signs, Signals, & Markings
Sharing Big Sky Roads
Defensive Driving and Emergencies
100

This is the minimum age a student can be to enroll in a state-approved traffic education course in Montana.

What is 14.5 (14 and a half) years old?

100

Unless otherwise posted, this is the standard maximum daytime speed limit on Montana’s rural interstate highways.

What is 80 mph?

100

An inverted triangle-shaped sign always carries this specific driving command.

Yield

100

When approaching school buses displaying flashing red lights on a two-lane road, this is what traffic in both directions must do.

What is come to a complete stop?

100

Montana law dictates that this piece of safety equipment must be worn by every single occupant of a vehicle at all times.

What is a seatbelt?

200

During Step 1 (the Learner License phase), a teen must log this many total hours of supervised driving practice.

What is 50 hours? (with at least 10 hours at night) 

200

This is the standard daytime speed limit for cars and light trucks on a normal two-lane highway in Montana.

What is 70 mph?

200

A round, yellow sign with a black "X" and the letters "RR" serves as this type of warning.

What is a Railroad Crossing advance warning?

200

On unfenced rural highways cutting through farm or ranch land, this type of animal always has the ultimate right-of-way.

What is livestock (or cattle)?

200

If your car begins to skid or slide on ice or gravel, you should look and steer in this direction.

What is the direction you want the vehicle to go?

300

During the first 6 months of a Step 2 Restricted License, you are limited to this maximum number of non-family passengers under the age of 18.

What is one passenger?

300

Montana law allows you to exceed the posted speed limit by exactly this much when safely overtaking and passing another vehicle on a two-lane road.

What is 10 mph?

300

On a two-lane road, this specific type of painted yellow centerline means that passing is legal for traffic on both sides.

What is a broken (or dashed) yellow line?

300

Because they travel in groups, seeing one of these large wild animals cross a highway means you should immediately expect more to follow.

What is deer or elk?

300

To prevent hydroplaning or losing control on a wet road, a driver should never use this automated driving feature in rainy or icy weather.

What is cruise control?

400

Under Montana’s GDL laws, unsupervised driving is strictly prohibited between these hours of the night and early morning.

What is 11:00 PM to 5:00 AM?

400

Montana considers "nighttime" speed limits to be in effect from this long after sunset until this long before sunrise.

What is 30 minutes (a half hour)?

400

A yellow, pennant-shaped sign (pointing sideways) is exclusively placed on the left side of the road to mark this zone.

What is a No-Passing Zone?

400

This law requires drivers to safely change lanes or slow down dramatically when passing stationary emergency vehicles or tow trucks on the shoulder.

What is the Move Over Law?

400

This rule states that you should stay at least 3 to 4 seconds behind the vehicle ahead of you to maintain a safe stopping cushion.

What is the Three-Second Rule (or Following Distance Rule)?

500

To advance from a Learner License to a Restricted License, you must hold your permit for at least this many consecutive months without traffic violations.

What is 6 months?

500

This basic law states that you may never drive faster than is safe for the current road, weather, or visibility conditions, regardless of the posted number.

Basic Speed Rule (or Basic Law)

500

A flashing red traffic light means you must treat the intersection exactly like this type of sign.

What is a Stop sign?

500

When two vehicles arrive at a non-signaled intersection at the exact same time, the driver on the left must yield to the vehicle in this position.

What is on the right?

500

Under the "Implied Consent" law, by driving on Montana roads you automatically agree to take this type of test if suspected of a DUI.

What is a chemical test? (or breath/blood/urine test for alcohol/drugs)