Maryland Driving Laws 2026: Speed Limits, DUI BAC Limits and MVA Road Rules for the Written Test

What is the default speed limit in Maryland when no sign is posted in a residential area? Maryland sets 30 mph in residential areas, 55 mph on most roads, and 70 mph on rural interstates. The MVA knowledge test is 25 questions. Maryland DUI: 0.08% adults; DWI is a separate lesser offense at 0.07% or lower if impairment is shown. Headlights required from sunset to sunrise and whenever you cannot clearly see 1,000 feet ahead, including when windshield wipers are in use in inclement weather. All drivers are prohibited from handheld phone use, primary offense.

1. Speed Limits & Fatal Crash Data

Maryland relies almost entirely on posted signs to communicate speed limits, the MVA handbook emphasizes that the posted limit is the maximum under ideal conditions, and Maryland law requires driving at a reasonable speed accounting for actual hazards. The handbook also includes a specific fatality comparison by speed that appears in the knowledge test:

Key test point: Marylands handbook includes specific fatality statistics by speed that are tested directly: crashes at 65+ mph are twice as likely to cause death as crashes at 45-50 mph, and five times as likely as crashes at 40 mph or lower. Maryland law also requires driving at a reasonable speed for conditions, violating this is a misdemeanor with a $110 fine and 1 point, or $150 and 3 points if it causes a crash.

2. Right-of-Way: Who Goes First

Marylands MVA knowledge test emphasizes right-of-way for vulnerable road users, pedestrians, cyclists, and motorcyclists. In Maryland, bicycles are legally considered vehicles on public roads, which means cyclists have the same rights and responsibilities as drivers. Right-of-way is always yielded, never seized.

4-way stop (all arrive at once)

Driver to the right

4-way stop (one arrives first)

Driver who arrived first

Roundabout / traffic circle

Vehicles already inside the circle

Emergency vehicles (lights/siren)

Emergency vehicle, pull to the right and stop

Pedestrians in crosswalk

Pedestrians always

T-intersection (no signs)

Through road traffic; drivers on the dead-end must yield

Yield sign

Cross traffic and pedestrians always

Merging onto a highway

Traffic already on the highway

3. Turns: Signal Before You Arrive

Marylands handbook instructs drivers to signal before reaching the turning point, not at it. Switch on your turn signal before you get to the turn to give other drivers adequate time to react. Right turns on red are permitted after a full stop unless prohibited:

Right turn on red

Permitted after a full stop unless a sign prohibits it. Yield to pedestrians and cross traffic.

No right turn on red

When posted, you must wait for a green light before turning right.

Left turn on red

Only allowed from a one-way street onto another one-way street, after a full stop.

Left turn from two-way street

Start from the left lane; end in the left lane of the cross street.

Right turn

Stay as close to the right curb as possible; end in the right lane.

U-turns

Legal where not prohibited by a sign; must not interfere with traffic. Illegal in Maryland in many situations, Marylands handbook notes U-turns are not legal everywhere and can be extremely dangerous. Always check if U-turns are allowed before attempting one; turn on your left signal and yield before executing.

4. Lane Rules & Line Markings

Marylands divided highways, I-95, I-270, US-50 to the Eastern Shore, have specific rules about where you must drive. Where "Stay Right" signs are posted, Maryland law requires driving in the right lane unless passing. Heres the full breakdown of lane markings tested on the MVA exam:

Center turn lane (CTSL)

Used only to begin or complete a left turn; not for through travel or merging. You may travel no more than 300 feet in the CTSL.

Solid white line

Do not cross; marks the edge of the road or a lane that should not be changed.

Solid yellow line (your side)

No passing allowed.

Broken yellow line

Passing allowed when safe.

Solid + Broken yellow centerline

Passing allowed only on the broken-line side.

5. Passing: Both Headlights Rule

Marylands handbook includes a specific return-to-lane cue tested on the MVA exam: you must see both headlights of the passed vehicle in your rearview mirror before pulling back into the right lane. Heres the full set of Maryland passing rules:

• Only pass on the left, using the oncoming lane, when it is safe and legal.
• Do not pass within 100 feet of an intersection, railroad crossing, bridge, or curve where your view is limited. Look for the No Passing Zone pennant sign.
• The vehicle being passed must not speed up while you are overtaking.
• Return to your lane only after you can see both headlights of the passed vehicle in your rearview mirror, a specific Maryland test point.
• Never pass a stopped school bus with flashing red lights, this applies in both directions on undivided roads.
• You may pass on the right only when the vehicle ahead is turning left and there is a usable lane to the right.

6. Following Distance: 3 to 4 Seconds

Marylands MVA recommends a minimum of 3 to 4 seconds following distance under ideal conditions, slightly more generous than the single 3-second rule. Most rear-end crashes in Maryland are caused by following too closely. On the Capital Beltway and I-95 during peak hours, maintaining that gap takes active discipline.

7. School Buses & Emergency Vehicles

Marylands MVA exam tests the exact school bus stop distances, 20 feet from the back and 20 feet from the front of the stopped bus. These distances are tested on the knowledge exam and represent specific Maryland law.

School Buses

• When a school bus stops with flashing red lights and an extended stop arm, all traffic in both directions must stop on undivided roads.
• On roads with a true median or physical barrier, only traffic behind the bus must stop, oncoming traffic may proceed.
• A center turn lane does not count as a divider. On 4+ lane roads without a raised median or barrier, all directions must stop.
• You must remain stopped until the red lights stop flashing and the stop arm is retracted.
• Maryland requires stopping at least 20 feet from the back and at least 20 feet from the front of a stopped school bus with flashing red lights. Illegally passing a Maryland school bus carries significant fines and points on your MVA record.
• Railroad crossings: School buses must stop at ALL railroad crossings, with or without passengers, even if no lights are flashing and no train is visible. This is a frequently tested rule.

Emergency Vehicles

• When you see or hear an emergency vehicle (police, fire, ambulance) with lights or siren: pull to the right edge of the road and stop. Do not block intersections.
• Move Over Law (Maryland): When approaching a stationary emergency vehicle, tow truck, or highway maintenance vehicle with lights activated on a multi-lane road, move one lane away when it is safe to do so. If lane change is not possible, slow down and proceed with caution.

8. DUI Laws: Double Fine if Child in Car

Marylands DUI law has a specific provision that elevates the stakes for every parent: if convicted of drunk or drugged driving with a child in your vehicle, a judge can double both your fine and your jail time. Under-21 drivers face zero tolerance, any alcohol detected means license suspended or revoked. The MVA automatically suspends on a failed test before any court outcome.

9. Seat Belts & Child Seats

Maryland requires all vehicle occupants to be buckled, every trip, every ride, front seat and back seat. The child safety seat rule uses a specific threshold: under age 8 must use a child safety seat unless the child is 49" or taller. That height exception is a standard MVA test question.

10. Where You Cannot Park

Marylands handbook focuses on general parking safety principles and the solid-yellow-line restriction, you may not park where the solid yellow line in the middle of the road is on your side. Always park in designated areas, set your brake, and check for traffic before opening your door:

• Within 15 feet of a fire hydrant
• Within 20 feet of a crosswalk at an intersection
• Within 30 feet of a stop sign, yield sign, or traffic signal
• Within 50 feet of a railroad crossing
• On a sidewalk, in front of a driveway, or on a bridge
• In a no-parking zone or alongside a curb painted yellow or red
• Double parking (alongside a vehicle already parked at the curb)
• Headed downhill: turn wheels toward the curb. Headed uphill with a curb: turn wheels away from curb. Uphill without a curb: turn wheels toward the shoulder.

11. Driving in Bad Weather

Maryland weather ranges from humid coastal conditions along the Chesapeake Bay to heavy lake-effect-style snow in Garrett County. The Bay Bridge closes in high winds, summer thunderstorms create instant standing water on Baltimores urban grid, and black ice forms on the Western Maryland mountains every winter. Heres what the MVA handbook says:

• Headlights required in Maryland when using windshield wipers in inclement weather (Maryland law), and anytime you cannot clearly see 1,000 feet ahead.
• In heavy fog, use low beams, high beams reflect off fog and reduce visibility.
• If you start to hydroplane, ease off the gas gently. Do not brake hard or turn sharply.
• In icy conditions, brake gently well in advance. Start slowing earlier than normal. Leave extra following distance.
• If your car goes into a skid, steer in the direction you want the front of the car to go. Do not overcorrect.
• Never use cruise control on wet, icy, or slippery roads.

12. Points & License Suspensions

Marylands MVA uses points to track violations and issue penalties. Points lead to suspension or revocation. Maryland also has specific statutory fines for improper speed that are tied to points, and driving too fast for conditions is a misdemeanor offense. Heres how Marylands system works:

Note: Marylands MVA point system leads to suspension or revocation when points accumulate. Drivers with points may be required to attend a driver improvement program. For full point values by violation, visit mva.maryland.gov.

13. Headlights: 1,000-Foot Visibility Rule

Maryland combines two headlight triggers: headlights are required when you cannot clearly see 1,000 feet ahead, and when using windshield wipers in inclement weather. The dimming rule is 500 feet for oncoming and 300 feet when following:

Key test point: Marylands headlight trigger is when you cannot see 1,000 feet ahead, a higher visibility threshold than most states. Wipers on in inclement weather = headlights on, by law. Dimming distances: 500 feet oncoming, 300 feet following. These three numbers are all tested on the Maryland MVA exam.

14. Night Driving

Marylands MVA handbook notes that night driving is more risky than daytime driving, it is harder to judge how far away other vehicles are and how fast they are moving. On the Bay Bridge at night, on rural Eastern Shore roads with no streetlights, and on I-695 in Baltimore with heavy glare, overdriving your headlights is a constant temptation.

15. Cell Phones: Under-18 Total Ban

Maryland bans handheld phone use while driving, including texting. Under-18 drivers may not use a cell phone at all while driving, even hands-free, except for 911 emergency calls. Marylands handbook also dedicates significant attention to drowsy driving, listing specific warning signs of driver fatigue.

Key test point: Maryland bans handheld use for all drivers, and under-18 drivers cannot use any phone at all, including hands-free, except for 911. The MVA exam also tests drowsy driving recognition: yawning repeatedly, eyes going out of focus, missing exits, and unintentionally drifting lanes are all signs you need to stop and rest immediately.

16. Railroad Crossings

Marylands rail network, including MARC commuter rail, Amtrak, and CSX freight, crosses public roads throughout the state. The MVA knowledge test covers exact stop distances and which vehicles must always stop at crossings. Never drive around a gate or barrier regardless of whether you see a train.

Key test point: Never drive around or under a lowered crossing gate, it is illegal and extremely dangerous. Wait until gates are fully raised and all tracks are clear.

17. How to Drive a Roundabout

Maryland has been replacing dangerous intersections with roundabouts across the state, particularly in Montgomery County, Howard County, and on US highway corridor improvements. The MVA tests roundabouts directly. The rule that catches most test-takers: entering traffic must yield to vehicles already circulating inside, every time, without exception.

Key test point: The most common wrong answer on roundabout questions is thinking you have right-of-way when entering. You never do, yield to traffic already inside.