Driver Knowledge Tests

What does side underrun protection do on trucks and trailers?

If you see bars down the side of a truck or trailer between the axles, this is side underrun protection and it’s designed to stop cyclists, motorcyclists, low vehicles and other road users falling, sliding or driving underneath the truck

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What is a lift axle or retractable axle?

A retractable axle or lift axle is a way in which the axle can be raised so that its tyres aren’t touching the road surface. This improves fuel economy, and reduces maintenance and tyre wear, although it increases road wear.

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What is a skeletal or semiskel trailer?

Skeletal trailers, also called semiskel trailers, are lightweight semitrailers usually designed for transporting containers. They can be specified in a large number of size configurations, such as: 20-foot container 30-foot container 40-foot container 45-foot container ISO intermodal container They will

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What tools should you keep in your car or truck?

If you break down, get a flat tyre or need to fix something to make your vehicle safe, having the right tools is essential. You don’t need many. All vehicle drivers Screwdrivers Things work their way loose with the vibrations

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Road markings: rules and types

Road markings are painted to help road users navigate the roads, stay in the correct lanes and avoid hazards. These photos show you real-world examples of the markings. Dividing lines

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What is a sleeper cab in a truck?

Trucks that are used for longer journeys usually have sleeper cabs or sleeper berths so they are more convenient for the driver; the driver doesn’t have to find and pay for accommodation for the night during their mandatory rest periods.

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Lane merging rules

Merging is where you join an existing lane of traffic or where two lanes become one. It’s best practice to signal for at least 3 seconds before merging and to merge at the same speed as the traffic you are

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