Guide on Nigerian traffic signs, road markings, and traffic light signals

Guide on Nigerian traffic signs, road markings, and traffic light signals

Road traffic signs in Nigeria and other countries help maintain safe driving conditions. Road symbols are some of the most important things drivers and pedestrians need to pay attention to while on the road.

Road sign
Some road symbols and their meaning. Photo: @MrsOilNigeria
Source: Facebook

The importance of road signs is self-explanatory. They restrict pedestrians and drivers from causing accidents, warn of impending dangers, and inform them of local laws. It is, therefore, crucial that you familiarize yourself with these essential symbols.

Guide on Nigerian traffic signs, road markings, and traffic light signals

Everyone needs to know the common road signs in Nigeria and be able to recognize them immediately. Traffic signs tell you about traffic regulations, special hazards, other road conditions, construction areas, speed limits, etc.

You should know these road signs and meanings and recognize the special shapes and colours. Road safety signs are categorized into the following:

1. Regulatory signs

Traffic signs and their meaning
Regulatory (prohibitory and mandatory) road symbols. Photo: @aarescuenigeria
Source: Facebook

Regulatory signs are circular and may be supplemented by plates beneath, augmenting the message the symbol gives. The exception to this is the STOP symbol, which is octagonal. They can be prohibitive and mandatory. They include:

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  • Prohibitive signs: They give a prohibitive message. These marks are usually circular with a yellow or white background, black inscription, and red border. The exception sign here is the STOP sign, which means that you should stop immediately when you see it.
  • Mandatory traffic symbols: A mandatory traffic sign gives positive instruction. Usually, they are circular with a blue background, white inscription, and sometimes with a white border.

2. Informative symbols

Are traffic signs and road signs the same thing?
An exit signage pointing at right side. Photo:, @Pixabay
Source: UGC

They are usually rectangular and provide guidance. Some common informative symbols include:

  • Speed limit signs: Indicate the maximum speed allowed on a particular road or section.
  • Directional arrows: Provide information about the direction of the road, intersections, or upcoming turns.
  • Route signs: Display the numbers or names of highways, roads, or streets to help drivers navigate.
  • Pedestrian crossing signs: Warn drivers of pedestrian crossings and remind them to watch for pedestrians.

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3. Warning road signs

Traffic signs and their meaning
Warning road symbol. Photo: @G M G Motors
Source: Facebook

They give warning of a hazard ahead. They are usually triangular in shape. These symbols use universally recognized images and colours to convey warnings and promote safety quickly. Some common warning traffic symbols include:

4. Road markings and their meanings

What is a traffic sign?
A road marked with white breaking lines. Photo:, @Sami Aksu
Source: UGC

These are paints or other marking materials applied to the road surface, stud, or delineator to guide, warn, or regulate traffic. Markings can be used on their own or in combination with other traffic signs.

Yellow lines

These lines in the highway's centre mean drivers should move in opposite directions. On a two-way highway, the yellow centre road symbol can consist of the following:

  • A regular broken yellow line: Marks a two-direction passing zone. Traffic travelling in either direction may pass other vehicles carefully when the way ahead is clear.
  • A double yellow line (A standard broken yellow line and the other a typical solid yellow line): If you are driving adjacent to the broken line, you may pass other vehicles with care. However, if you are travelling adjacent to the solid line, you are prohibited from passing.
  • Two standard solid yellow lines (a double yellow line): This means traffic from either direction is prohibited from passing.

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White lines

On the highway, white lines separate travel lanes moving in one direction. The white line pavement markings can consist of the following:

  • Dotted white lines: They separate a through lane from a deceleration or acceleration lane or a through route that becomes a mandatory exit or turn lane.
  • Double white lines: Separate travel lanes. You are prohibited from crossing. You cannot change lanes for any reason.
  • Broken white lines: These lines separate lanes where you can change lanes.
  • Solid white lines: Require you to stay within your lane.

5. Traffic signals

traffic light signals meaning
Photograph of traffic lights. Photo:, @Oscar Portan
Source: UGC

Traffic signals are standardized devices that regulate traffic flow, pedestrians, and cyclists. Here are the primary traffic light signals meaning.

  • Red: Means you should stop and wait behind the stop line on the carriageway.
  • Amber: Means you should get ready to move.
  • Green: Means you should move if the road is free and clear.

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What is a traffic sign?

A traffic sign is a visual communication tool used on roadways and public spaces to convey important information, instructions, warnings, and regulations to road users. These signs typically feature standardized symbols, colours, and shapes to ensure universal understanding and compliance among drivers, pedestrians, and cyclists.

Are traffic signs and road signs the same thing?

Traffic signs and road signs are the same. Both names are used interchangeably to describe the visual communication tools that provide information related to road.

What are the most common types of traffic signs?

The most common types of traffic signs include:

Traffic signMeaning
Stop signIndicates that drivers must come to a complete stop at an intersection.
Yield signInstructs drivers to yield the right-of-way to other vehicles or pedestrians.
Speed limit signIndicates the maximum speed allowed on a specific road or section.
No entry signProhibits entry into a particular area or road.
One-way signIndicates traffic can only flow in one direction on a specific road.
Curve ahead signWarns of an upcoming curve or bend in the road.
Slippery road signAlerts drivers to potentially slippery or icy road conditions.
School zone signIndicates drivers should exercise caution as a school zone is nearby.
Pedestrian crossing signWarns of a pedestrian crossing area.
Exit signsIndicate the direction of nearby exits on highways.
Mileage signsProvide distances to specific destinations or cities.
Hospital signIndicates the direction to the nearest hospital.
Gas station signShows the direction to the nearest gas station.
Road work ahead signWarns of road construction or maintenance ahead.
Detour signIndicates an alternative route due to road closure.
Lane markingsIndicate the number of lanes, turning lanes, and special lane designations.
Crosswalk markingsIndicate pedestrian crossing areas.

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What are the 8 different shapes of traffic signs?

Below is what you need to know about the shapes of road signs and their meanings.

Octagon Stop
Vertical RectangleRegulatory
RoundRailroad crossing
PennantNo passing
Horizontal RectangleGuide

Additionally, road traffic signs have a specific colour associated with them. The colour of road symbols can immediately tell you what they are about. Here are the colours you may come across.

RedStop, yield, or prohibited
OrangeConstruction or detour
BlueMotorist services
BrownPublic recreation

What are the penalties imposed on those who fail to observe traffic signs?

Some of the penalties are highlighted below:

Wrongful overtakingN3,000 (3 penalty points)
Unauthorized removal of tampering with road signsN5,000 (5 penalty points)
Route violationN5,000 (5 penalty points)
Road marking violationN5,000 (5 penalty points)
Light/sign violationN2,000 (2 penalty points)

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What is the Nigeria Highway Code?

The Nigeria Highway Code is the code of conduct for human activities related to road use. It was last revised in 1989 and translated into three major Nigerian languages, Yoruba, Igbo and Hausa.

Traffic signs are crucial in Nigeria, as they significantly ensure road safety, efficient traffic flow, and overall order on the roads. They also serve as a visual means of communication on the roads, conveying messages to drivers and pedestrians without verbal instructions. recently published an article outlining economic problems facing Nigeria. As is common in many developing countries, Nigeria faces an extensive list of issues. Persistent problems in education, health, infrastructure, and social well-being have hindered the nation's progress.

Presently, Nigeria's economic development struggles encompass a wide range of concerns. These challenges span governmental issues, social problems, and matters arising from individual behaviour. Addressing these multifaceted obstacles is crucial for Nigeria's path towards sustainable development.


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