Book

This informative book is designed for students who want to pass the quiz with confidence. Packed with clear explanations and visual examples, it keeps you engaged while helping you learn faster and succeed.

Traffic signs

Traffic rules

1 Speed limit 2 Toll road 3 Bus stop 4 Stop sign 5 Roundabout 6 Pedestrian crossing 7 Railroad crossing 8 School-area 9 Crossing animals 10 Curve 11 Roadworks 12 Main road 13 Traffic lights 14 Driving license 15 Traffic mirror 16 No stopping 17 License plate 18 Charging station 19 Bus 20 Police 21 Ambulance 22 Fire truck 23 Public transport 24 Track 25 Motorcycle equipment 26 Spare tire 27 Mirror 28 Helmet 29 Rush hour 30 Tram stop 31 Train station 32 Interchange 33 Particulates 34 Air pollution 35 Pothole 36 Airbag 37 Lane splitting 38 Forestry vehicle 39 Construction vehicle 40 Semi-trailer truck 41 Trolleybus 42 Speedpedelec 43 Delivery vehicle 44 Idling 45 Tow truck 46 Four-wheel drive 47 Road users 48 Passenger 49 Bicycle 50 Tow hitch 51 Emergency vehicle 52 Agricultural machinery 53 Electric bicycle 54 Electric vehicle 55 Pedelec 56 Quadricycle 57 Microcar 58 All-terrain vehicle 59 Van 60 Recreational vehicle 61 Scooter 62 Trikke 63 Skateboard 64 Segway 65 Kick scooter 66 Hitchhiker 67 Baby 68 Child 69 Elderly 70 Disability 71 Livestock 72 Skier 73 Snowmobile 74 Motor vehicle 75 Motorail 76 Garbage truck 77 Snowplow 78 Street sweeper 79 Speedometer 80 Play street 81 Rumble strip 82 Speed cushion 83 Funeral procession 84 Dirt road 85 Ride height 86 Start-stop system 87 Throttle 88 Steering wheel 89 Power steering 90 Scanning 91 Fuel economy 92 Gasoline 93 Diesel 94 Diesel exhaust fluid 95 High-visibility clothing 96 Towing rope 97 First aid 98 Bollards 99 Residents card 100 Three-point turn ...

1. Speed limit

A speed limit is the maximum speed you are legally allowed to drive on a road. It helps keep drivers, passengers, and pedestrians safe by reducing the risk of accidents. Always adjust your speed for weather, traffic, and road conditions — even if you're below the speed limit!

Helps prevent accidents.
Gives drivers more time to react.
Keeps traffic flowing smoothly.
Protects people in areas like school zones or construction sites.

2. Toll road

A toll Road is a road, bridge, or tunnel where drivers must pay a fee (toll) to use it. The toll helps cover the cost of construction, maintenance, and operation of the road.

How to Pay a Toll:
- Cash Payment – Pay at a toll booth.
- Electronic Toll Collection (ETC) – RFID tags or transponders (e.g., EZ-Pass, FasTrak, SunPass).
- License Plate Billing – Automatic charge via plate recognition.
- Credit/Debit Card Payment – Available at some toll booths.
Examples of Toll Roads:
- Autobahn (Germany) – Some sections require tolls for trucks.
- M6 Toll (UK) – A faster alternative to the M6 motorway.
- Golden Gate Bridge (USA) – Charges a toll for crossing.
- Mumbai-Pune Expressway (India) – A major tolled highway.

3. Bus stop

A bus stop is a designated location along a bus route where passengers can board or alight (get off) a bus. It is a stationary point marked by signs or shelters, typically located at intervals along the route, where people wait to catch the bus.

Signage - Bus stops are usually marked by signposts with the bus company’s logo, route number, and the name of the stop.
Shelter - Some bus stops have shelters or benches to provide passengers with comfort and protection from the weather while they wait.
Timetable Information - Many bus stops have timelines or information boards displaying bus schedules, routes, and other relevant information.
Accessibility - Bus stops are often designed to be accessible for people with disabilities, featuring low platforms or ramps for easy boarding.

A bus stop. (Tamil Nadu, India) © Wikimedia.org/Thamizhpparithi_Maari, CC BY-SA

4. Stop sign

A stop sign is a traffic control sign that instructs drivers to come to a complete stop at an intersection or crosswalk, check for other vehicles or pedestrians, and proceed only when it is safe.

Shape - The stop sign is an octagon (eight-sided), making it easy to recognize.
Color - It is usually red with white lettering that says 'STOP'.
Placement - Stop signs are typically placed at intersections where traffic from different directions must yield or stop to avoid collisions.
Stop completely – Don’t just slow down; make a full stop.
Yield the right of way – Give priority to any vehicles or pedestrians with the right of way.
Look left, right, and left again – Ensure it’s safe to proceed.
Do not block the intersection – After stopping, ensure you don’t obstruct other vehicles from crossing.

5. Roundabout

A roundabout is a circular intersection where traffic flows in one direction around a central island. Instead of traffic lights or stop signs, vehicles use yield rules to enter and exit the roundabout safely.

Approach slowly.
Yield to traffic already inside the roundabout.
Enter when it’s safe.
Signal before exiting at your desired turn-off.

6. Pedestrian crossing

A pedestrian crossing is a designated area on the road where pedestrians can safely cross from one side to the other. It is marked by road markings, signs, and sometimes traffic lights to give priority to pedestrians.

Road Markings - Typically, pedestrian crossings are marked with zebra stripes (black and white), which are visible on the road.
Traffic Signs - There may be a pedestrian crossing sign (usually a blue or triangular sign) indicating where pedestrians can cross.
Traffic Signals - In some locations, pedestrian crossings are controlled by traffic lights, which help manage when pedestrians can cross safely.
Location - Pedestrian crossings are often found at intersections, near schools, parks, bus stops, or other areas with high foot traffic.

7. Railroad crossing

A railroad crossing (also called a level crossing) is a place where a railway line and a road (or path) cross at the same level — meaning, there’s no bridge or tunnel, just a flat intersection.

Stop when lights flash or gates come down.
Never try to 'beat the train' — it's dangerous and often illegal.
Look both ways, even if you don’t hear or see a train.
Wait until gates are fully up and lights stop flashing before crossing.
Never stop on the tracks — always make sure there’s room on the other side before crossing.

8. School-area

A school area (or school zone) is a section of road near a school where special traffic rules apply to keep students safe. Children can be unpredictable and may cross suddenly. Following the rules helps protect lives and avoid fines.

Lower speed limits - Often 20–40 km/h (or 15–25 mph).
Flashing lights or signs - Indicate when the school zone is active.
Crosswalks - Marked pedestrian areas, sometimes with guards.
No parking/stopping zones - Keep areas clear for visibility and safety.
Speed bumps or raised crossings - Force drivers to slow down.

9. Crossing animals

A crossing animals sign is a warning sign indicating that animals may unexpectedly enter or cross the road. These can be wild animals (e.g. deer) or domestic animals (e.g. cows, sheep), depending on the region.

How to Avoid Hitting Wildlife:
- Slow down in rural, wooded, or signed wildlife zones.
- Be extra cautious at dawn and dusk—times when animals are most active.
- Watch for movement along road edges.
- Use high beams when safe at night for better visibility.
- If you see one animal, expect more—they often travel in groups.
- Don’t swerve suddenly—brake firmly and stay in control.
What to Do If You Hit an Animal:
- Pull over safely and check for damage
- Don’t approach large injured animals—they can be dangerous
- Report it to local authorities or animal control if the animal is large or a road hazard.
- If it’s a domestic pet, try to contact the owner or notify animal services.

10. Curve

A curve is a bend in the road where the path gradually changes direction, either to the left or right. It’s different from a sharp turn because it’s more gentle and flowing, but it still requires slower speeds and careful steering. Even gentle curves can be dangerous at high speeds, especially in wet or icy conditions. Always adjust your speed based on the sharpness of the curve and road conditions.

How to Drive Through a Curve:
- Slow down before the curve.
- Look through the curve to where the road goes.
- Steer smoothly—don’t jerk the wheel.
- Avoid braking in the middle of the curve unless necessary.
- Stay in your lane, especially on two-way roads.

Warning for a curve to the left. (Gujarat, India) © Wikimedia.org/TeshTesh, CC BY-SA

11. Roadworks

Roadworks are construction, maintenance, or repair activities carried out on or near a road. They can involve lane closures, detours, speed restrictions, and other changes to normal traffic flow. While sometimes inconvenient, roadworks are essential for keeping roads safe and functional. Slow down, stay alert, and respect those working to improve the roads.

Dangers and Challenges:
- Narrow lanes or shifted traffic patterns.
- Loose gravel, uneven surfaces, or temporary ramps.
- Construction vehicles entering/exiting the road.
- Sudden stops or reduced speed zones.
Driving Safely Through Roadworks:
- Slow down – follow posted speed limits (often lower in work zones).
- Follow signs and cones – they guide you through safely.
- Stay alert – watch for workers, equipment, and changing conditions.
- Keep a safe distance – from the car in front and from road workers.
- Avoid sudden lane changes or distractions.

12. Main road

A main road sign indicates that you have right of way at the next intersection only. Unlike the priority road sign, this priority is not continuous and applies only to the upcoming crossroad. After passing that intersection, normal right-of-way rules apply unless new signs indicate otherwise.

You have priority over other roads at the next intersection.
Vehicles from other directions must yield to you.
After the intersection, your priority ends automatically.

13. Traffic lights

Traffic lights are signaling devices used to control the flow of traffic at intersections, pedestrian crossings, and other points on the road. They operate using a universal color system: red means stop, yellow (amber) signals that the light is about to change and warns drivers to prepare to stop, and green allows traffic to proceed when safe. By providing clear and timed instructions, traffic lights help prevent collisions, ensure smoother traffic flow, and create safer conditions for both drivers and pedestrians.

Standard Traffic Light Colors:
- Red - Stop – Do not enter the intersection.
- Yellow - Get ready to stop, Light is about to turn red.
- Green - Go – Proceed if the way is clear.
Pedestrian Traffic Lights:
- Red person = Don’t cross.
- Green person = Safe to cross.
- Some also beep or count down for accessibility.
Arrow Traffic Lights:
- Show specific directions (e.g., green arrow for turning left).
- Help manage turning traffic separately from straight-moving cars.

14. Driving license

A driving license is an official document issued by a government authority that permits a person to legally operate one or more types of motor vehicles on public roads. It confirms that the holder has met the required standards of knowledge (theory), practical driving skills, and medical fitness, and is therefore considered competent to drive safely within the law.

Personal and official document (often a card).
Issued after passing theory and practical exams.
Valid for specific vehicle categories (e.g. car, motorcycle, truck).
Must be carried while driving (depending on country rules).
Serves as proof of driving competence and identity.

The frontside of a Indian driving license. © Wikimedia.org/Hemant Pradhan, CC BY-SA

15. Traffic mirror

A traffic mirror is a curved mirror placed near roads, intersections, driveways, or blind corners to help drivers and pedestrians see around obstacles and improve safety.

Blind corners - Help drivers see oncoming traffic.
Tight driveways or exits - Improve visibility when entering a road.
Parking lots - Prevent collisions between vehicles and pedestrians.
Alleyways or narrow roads - Spot cross-traffic or hidden vehicles.

16. No stopping

A no stopping sign indicates that stopping is completely prohibited in the indicated area, meaning you are not allowed to stop your vehicle at all, even for a short time. This includes stopping to pick up or drop off passengers, load or unload goods, or wait. The only exception is when stopping is unavoidable due to traffic conditions (e.g. traffic jam, red light).

No stopping under any circumstances (except forced stops).
You must keep moving, even a brief stop is not allowed.
Common Situations: Busy urban roads, Near intersections or crossings, Bus lanes or emergency routes.

17. License plate

A license plate (also called a number plate or registration plate) is a metal or plastic plate attached to a vehicle that displays a unique identification number issued by a government authority. It serves as the vehicle’s official ID for legal and administrative purposes.

Identifies the vehicle for law enforcement, tolls, and parking systems.
Links the vehicle to its owner and registration records.
Helps in tracking stolen vehicles or investigating traffic violations.
Usually mounted on the front and rear of the vehicle (rear only in some places).
Every vehicle must have a visible, valid plate when on public roads.
Driving without a plate or with a fake/expired one can lead to fines or penalties.
Plates must be kept clean, readable, and properly attached.

License plate of India. © Wikimedia.org/19petra, CC BY-SA

18. Charging station

A charging station (also called an Electric Vehicle (EV) Charging Station or Charge Point) is a place where electric vehicles (EVs) can recharge their batteries. It works like a fuel station, but instead of gasoline or diesel, it provides electricity to power EVs. Apps like Google Maps, PlugShare, and Tesla Supercharger maps help locate nearby charging points.

Park at an available charging spot.
Plug in your vehicle’s charging cable.
Start charging (using a payment app or card).
Wait for the battery to charge (time varies by charger type).
Unplug and drive away once charged.
Do not block charging spots when not charging.

Electric vehicle charging station. (Mumbai, India). © Wikimedia.org/Maxsonlewis, CC BY-SA

19. Bus

A bus is a large vehicle used to carry multiple passengers, usually on a fixed route. It’s part of public or private transportation, helping people get from one place to another.

Do not overtake a bus when it's stopped for passengers, especially a school bus.
Watch for people crossing in front of or behind the bus.
Yield to buses re-entering traffic in many cities — it’s the law!
Types of Buses:
- City Bus – Picks up and drops off passengers at bus stops in cities.
- School Bus – Transports students to and from school.
- Tour/Coach Bus – For long-distance or sightseeing trips.
- Shuttle Bus – Moves people between places like airports, hotels, campuses, etc...

A bus in Delhi, India. © Wikimedia.org/Kool Nerd 123, CC BY

20. Police

The police are a group of trained public officials whose job is to enforce the law, keep people safe, and maintain order in society. They work to protect citizens, prevent crime, and respond to emergencies.

Law Enforcement - Make sure people follow laws and rules.
Respond to Emergencies - Help during accidents, crimes, or disasters.
Investigate Crimes - Gather evidence, interview witnesses, and find suspects.
Protect the Public - Keep people safe in public spaces and at events.
Arrest Offenders - Detain people who break the law.
Control Traffic - Manage roads, prevent accidents, and help at crossings.

21. Ambulance

An ambulance is used to transport emergency services to a place where urgent help is needed and to transport victims or patients to the hospital.

Flashing lights and sirens to alert other drivers and clear traffic.
Driven by trained emergency personnel.
Can provide life-saving care on the way to the hospital.

Ambulance in Old Goa, India. © Wikimedia.org/Radosław Botev, CC BY

22. Fire truck

A fire truck (also called a fire engine) is a special emergency vehicle used by firefighters to respond to fires, rescues, and other emergencies. It's packed with firefighting equipment, tools, and often water or foam to put out fires.

Flashing lights and loud sirens to clear traffic.
Bright red or yellow color for visibility.
Often carries firefighters and a driver/operator.

A fire truck (Kerala, India) © Wikimedia.org/Fotokannan, CC BY

23. Public transport

Public transport (also called public transit or mass transit) is a system of shared transportation services that are available to the public, usually run by the government or private companies. It's designed to move lots of people at once — quickly, efficiently, and affordably.

Examples of Public Transport:
- Bus - City bus, school bus.
- Train - Passenger train, metro, commuter rail.
- Tram/Streetcar - Runs on rails in city streets.
- Subway/Metro - Underground or elevated urban trains.
- Shuttle/Minibus - Smaller vans or shared taxis.
- Ferry/Boat - Water-based public transit.
Features of Public Transport:
- Scheduled - Operates on fixed routes and timetables.
- Shared - Used by multiple people at the same time.
- Affordable - Usually cheaper than private transport.
- Accessible - Open to everyone — often with discounts for students, seniors, etc...

24. Track

A track (or railway track) is the path that trains, trams, or railcars run on. It’s made up of two steel rails laid on the ground, kept a fixed distance apart, and supported by sleepers (also called ties) and ballast (gravel or stone).

Guide the train wheels.
Support the weight of the train.
Allow smooth, fast, and safe travel.

25. Motorcycle equipment

Motorcycle equipment includes protective gear, safety accessories, and essential tools used by motorcyclists for safety, comfort, and performance. Proper equipment helps reduce injuries and enhances the riding experience.

Helmet – Protects the head and is required by law in many places.
Gloves – Improves grip and protects hands from impact.
Jacket – Made of leather or textile with armor for protection.
Pants – Reinforced motorcycle pants or armored jeans for leg safety.
Boots – Provides ankle support and prevents foot injuries.
Body Armor – Extra padding for chest, back, elbows, and knees.
Mirrors – Helps riders see traffic behind them.
Lights (Headlight, Taillight, Indicators) – Essential for visibility.
Windshield – Protects against wind, debris, and rain.
Luggage Bags & Saddlebags – Used for carrying items on long rides.
GPS & Phone Mount – Helps with navigation.

26. Spare tire

A spare tire is a backup tire kept in a vehicle in case one of the main tires gets flat, damaged, or punctured. It's meant to help you get back on the road temporarily so you can drive to a repair shop safely.

Check the air pressure in your spare regularly—it can deflate over time.
Know how to change a tire or where your spare tools are stored.
After using a spare, replace or repair the original tire ASAP.

27. Mirror

A mirror is a reflective device that helps the driver see areas around the vehicle that are not in their direct line of sight — especially what’s happening behind and beside the car. It's essential for scanning and defensive driving and allows you to change lanes and merge safely.

Types of Mirrors in a Vehicle:
- Rear-view mirror - What's directly behind the car.
- Side mirrors (left & right) - What's to the left and right sides of the vehicle.
- Blind spot mirror (optional) - Small curved mirror that shows hidden spots near your vehicle.
Good Mirror Habits:
- Adjust mirrors before you start driving.
- Keep them clean and unobstructed.
- Check rear-view mirror every 5–8 seconds.
- Check rear-view mirror every 5–8 seconds.

Left wing mirror on a car. © Wikimedia.org/Petar Milošević, CC BY-SA

28. Helmet

A helmet is a protective headgear designed to protect the skull and brain from injuries during falls, crashes, or impacts. Helmets are essential in many activities like cycling, motorcycling, sports, and construction work, and are often required by law. Wearing a helmet is one of the simplest and most effective ways to protect yourself—whether you're biking, riding a motorcycle, or working in hazardous conditions.

Absorbs impact energy in a crash.
Helps prevent head injuries, concussions, and skull fractures.
In many cases, it can be the difference between life and death.

Person wearing a motorcycle helmet. © Wikimedia.org/Stefania Anghelea, CC BY-SA

29. Rush hour

Rush hour is the busiest time of the day on roads and public transport when a large number of people are traveling to or from work, school, or other daily activities. Rush Hour is the time when everyone is on the road at the same time, causing traffic jams, delays, and packed public transport.

Morning Rush Hour: 🕗 Usually between 7:00 AM – 9:00 AM (people going to work/school).
Evening Rush Hour: 🕕 Usually between 4:00 PM – 7:00 PM (people returning home).
Rush hours can vary based on location, day of the week, and holidays.
Cities with poor traffic management or infrastructure experience worse congestion.

30. Tram stop

A tram stop is a designated location where passengers can board or alight (get off) a tram. Similar to a bus stop, it is a place along the tram route where people wait for the tram to arrive and where the tram will stop to pick up and drop off passengers.

Signage - Tram stops are typically marked with signs showing the tram line, route number, and stop name, helping passengers identify the location.
Shelters and Benches - Many tram stops have shelters or benches for passengers to wait comfortably, especially in busy or high-traffic areas.
Safety Barriers - Some tram stops have safety barriers or platform edges to prevent passengers from stepping onto the track.
Timetable Information - Tram stops often display route maps, timetables, and other helpful information for passengers.
Accessibility - Modern tram stops are often designed to be accessible for people with disabilities, featuring low floors, ramps, or platforms to make boarding easier.

31. Train station

A train station is a facility where passengers can board or disembark from trains. It typically includes platforms, ticket counters, waiting areas, and other amenities that allow for the efficient operation of train services.

Platforms - The area where passengers wait for the train to arrive and where they get on and off the train.
Ticketing Facilities - Most train stations have ticket counters, ticket machines, or online platforms where passengers can buy or validate their tickets.
Waiting Areas - Seating areas or lounges where passengers can wait for their train.
Information Displays - Electronic boards or signs that show train schedules, routes, and delays.
Accessibility - Modern stations are typically wheelchair accessible, featuring ramps, elevators, and low platforms for easier boarding.

32. Interchange

An interchange is a road structure where two or more roads or highways cross each other at different levels (grades) and are connected by ramps, loops, or bridges, so that vehicles can change directions or switch roads without stopping and without crossing traffic flows directly. When you're driving on a highway and take an exit ramp to switch to another highway or a local road without a traffic light, you are using an interchange.

To allow smooth and safe movement of traffic between different roads or highways.
To reduce traffic congestion and avoid direct intersections (traffic lights, stop signs).
To ensure continuous traffic flow at high speeds, especially on highways and expressways.

33. Particulates

Particulates (or particulate matter) refers to tiny solid or liquid particles that are released into the air from vehicles and road activities. These particles contribute significantly to air pollution, especially in urban and high-traffic areas.

Vehicle Exhaust - Diesel and petrol engines emit particulates.
Brake and Tyre Wear - Friction from brake pads, tyres, and road surfaces produces dust particles.
Road Dust - Vehicles stir up dust and debris from the road surface.
Construction & Traffic Zones - Dust from nearby roadworks, construction, or poorly maintained roads can increase particulate levels.

34. Air pollution

Air pollution is the presence of harmful substances in the air that negatively affect the health of people, animals, plants, and the environment. These substances can be gases, particles, or biological materials and can come from natural sources (like wildfires or dust storms) or human activities (like vehicles, industries, and burning fuels).

Traffic and Vehicles - Exhaust gases from cars, trucks, buses, and motorcycles.
Industries & Factories - Release of toxic gases and smoke during production processes.
Burning Fossil Fuels - Coal, petrol, diesel, gas, wood used for electricity, heating, and transport.
Construction & Dust - Dust from building sites, roads, and unpaved areas.
Agriculture - Use of fertilizers, pesticides and emissions from livestock.
Natural Sources - Volcanoes, forest fires, and dust storms.

35. Pothole

A pothole is a depression or hole in a road surface caused by wear and tear, weather conditions, and traffic pressure. Potholes form when water seeps into cracks in the pavement, weakens the underlying layers, and causes the surface to break apart. If a road has potholes or a bad road surface, reduce your speed.

Vehicle damage (tire blowouts, suspension issues).
Traffic hazards (accidents, sudden swerving).
Increased maintenance costs for roads and vehicles.

36. Airbag

An airbag is a vehicle safety device designed to rapidly inflate during a collision and provide a cushion between the occupant and hard surfaces like the steering wheel, dashboard, or windows—helping to reduce injuries in a crash.

Airbags work best with seatbelts—they’re designed to supplement, not replace them.
Children and rear-facing child seats should never sit in front of an active front airbag.
Most systems are one-time use and must be replaced after deployment.
Common Types of Airbags:
- Front airbags - For the driver (in the steering wheel) and front passenger (in the dashboard).
- Side airbags - Protect the chest and torso in side impacts.
- Curtain airbags - Useful in side collisions and rollovers.
- Knee airbags - Located below the dashboard to protect knees and legs.
- Rear airbags (less common) - Some high-end vehicles offer them for backseat passengers.

Car crash test at 40km/h with different safety measures: safety belt and airbag (front), safety belt only (back, right) and no safety measures (back, left). © Wikimedia.org/Transport For NSW, CC BY-SA

37. Lane splitting

Lane splitting is the practice where a motorcycle (or sometimes a scooter) rides between two lanes of slow-moving or stopped traffic, usually between cars traveling in the same direction.

Legal in some places (e.g., California, parts of Australia, certain European countries) with safety conditions.
Prohibited in many other regions, where motorcycles must stay fully within a lane.
Should be done at low speed relative to surrounding traffic.
Riders must be aware of car doors opening or vehicles changing lanes unexpectedly.

38. Forestry vehicle

A forestry vehicle is a motor vehicle designed and equipped specifically for work in forest areas, mainly for logging, transporting timber, or maintaining woodland.

Primarily operate off-road but may use public roads to move between sites.
Often slow-moving and wide; may require special permits for road transport.
Must comply with lighting and marking requirements when on public roads.
Types:
- Forwarder – carries cut logs from the felling site to a loading area.
- Harvester – cuts, debranches, and sections trees.
- Skidder – drags logs to a collection point.
- Log loader – loads timber onto trucks or stacks.

39. Construction vehicle

A construction vehicle is a motor vehicle designed for tasks in building, roadwork, excavation, and other construction-related activities.

Primarily operate on construction sites but may travel on public roads between sites.
Must use warning lights, reflective markings, and sometimes “oversized load” or “slow vehicle” signs when on public roads.
Types:
- Excavators – for digging and moving earth.
- Bulldozers – for pushing large amounts of soil or debris.
- Loaders – for scooping and transporting materials.
- Dump trucks – for carrying loose material like gravel or sand.
- Cranes – for lifting heavy loads.
- Road rollers – for compacting asphalt or soil.

40. Semi-trailer truck

A semi-trailer truck (also called an articulated lorry, tractor-trailer, or simply semi) is a large freight vehicle consisting of two main parts: . Tractor unit – the front part with the engine, driver’s cab, and the coupling device (fifth wheel). Semi-trailer – the rear load-carrying unit without a front axle, supported at the front by the tractor unit and at the rear by its own wheels.

Often 16–18 meters long in standard form, but can be longer with special permits.
Long-distance cargo transport (containers, bulk goods, refrigerated loads, etc.).
The pivot joint allows the trailer to turn independently from the tractor, giving better maneuverability than a rigid truck of the same length.
Requires a heavy vehicle license in most countries.
Dangers: wide turning radius, longer stopping distance, blind spots.

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