Ring roads are designed to relieve congestion in towns and city centres.

The 'dual carriageway ends' sign appears in a red triangle. It shows two carriageways coming together to indicate two-way traffic will continue ahead on a single carriageway road. You'll soon notice the central reservation coming to an end and lanes beginning to merge.

Triangular signs give you a warning of hazards ahead. They're there to give you time to prepare for the hazard; for example, by adjusting your speed.

Stop signs have a distinctive octagon shape, while an upside down triangle with a red outline is used for give way signs.

A red cross over a blue background indicates a clearway, which means you're not allowed to stop – not even to set down or pick up passengers. In some instances, restrictions may only apply at certain times of the day.

You'll generally see this sign at the approach to a pedestrian-only zone.

The slippery road sign warns drivers of potential hazards. It indicates that the road surface may be slippery. This can occur due to rain, ice, or oil spills. The sign features a car with skid marks.

In this instance, you should particularly careful as there are clearly children involved who may be distracted and run into the road.

A blue rectangular sign showing a bicycle with a lane line indicates a mandatory route for cyclists. In addition to the road sign, this cycle lane will be separated from other traffic by a solid white line. You mustn't drive or park in the cycle lane during its times of operation.

You'll generally see this sign at the approach to a pedestrian-only zone.

Drivers are instructed that the left turn is prohibited for vehicles.

Look for and obey traffic signs. Disobeying or not seeing a sign could be dangerous. It may also be an offence for which you could be prosecuted.

There is a swing bridge or one that can open for boats at a river crossing ahead. Category: Warning signs.

The road ahead is at risk from falling rocks and you may also come across fallen rocks in the road

This is a 'level crossing without barrier or gate ahead' sign. Trains may be passing here but there will be no gates or barriers at the level crossing.

Plate used with level crossing warning signs: advance warning of light signals at a level crossing with or without a gate or barrier.

You'll need to slow down. At hump bridges, your view ahead will be restricted and the road will often be narrow. If the bridge is very steep, sound your horn to warn others of your approach.

If you see a triangular sign with a row of cars on it, it's warning you that you're approaching a congested area, so be prepared to stop. The queues ahead might be hidden, so make sure you're aware of vehicles behind you that could be following too closely.

There is a steep downwards hill ahead with a gradient of 20% so a low gear should be used.