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When should a driver keep to the far right of the road?

June 29, 2025
5 min read
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Keeping to the far right lane is one of the most important and common traffic safety rules, not only in Saudi Arabia but in most countries worldwide. This rule aims to regulate traffic, reduce accident risks, and facilitate smooth vehicle movement.

The Saudi Traffic Department, via its "X" account, highlighted the importance of this rule and the situations in which drivers must keep to the far right lane. Therefore, in this guide, we will explain these situations in detail, along with providing some additional tips to ensure safe and responsible driving.

Why are right-lane driving rules an absolute necessity in certain situations?

It is essential to understand the fundamental reasons behind these rules, as they are principles that promote:

  1. Traffic flow and congestion reduction, allowing faster vehicles to pass unhindered.
  2. Accident reduction and minimizing the risks of side and rear-end collisions, while providing more space for maneuvering in emergencies.
  3. Providing drivers with a safe space to overtake slower vehicles without disrupting traffic flow.
  4. Creating clear expectations among drivers about the behavior of others, which reduces confusion and surprises on the road.
  5. Ensuring compliance with traffic regulations and avoiding violations and penalties.

Situations Where Drivers Must Keep to the Far Right Lane

There are five main situations where drivers must keep to the far right lane to ensure traffic safety and avoid violations:

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  1. When Overtaking Another Vehicle

Overtaking is a common maneuver that requires extreme attention and caution. In this situation, a driver wishing to overtake another car must keep to the left side of the road to facilitate the overtaking process. Conversely, the right lane priority belongs to the driver of the vehicle being overtaken, to prevent any potential collision and provide sufficient and safe space for both parties.

  1. When Driving Below the Maximum Speed Limit

Naturally, the left lanes on multi-lane roads are designated for high-speed vehicles or those overtaking. Therefore, if you are driving below the posted maximum speed limit or slower than the flow of traffic in the left lanes, you must safely keep to the right lane. This allows faster vehicles to pass freely without needing to slow down behind you, which reduces congestion, maintains smooth traffic flow, and minimizes the chances of rear-end collisions.

  1. When Turning Right

When you intend to turn right at an intersection or exit, you must gradually move to the far right side of the designated right-turn lane.

Remember that attempting a sudden right turn can lead to serious accidents with other vehicles that might be driving in the right lanes or preparing to turn. Therefore, committing to the right side early gives you enough time to signal and change lanes safely, and it informs other drivers of your intention.

  1. When Visibility is Poor

Clear visibility is a critical element for safe driving. In situations where visibility is poor, whether due to dense fog, heavy rain, dust storms, or very low light, it is essential for the driver to keep to the far right of the road. This is because, under such conditions, their ability to see other vehicles and obstacles is reduced, and the risk of accidents increases.

Driving on the right side allows you to safely reduce your speed and gives you more room to react if an obstacle suddenly appears. It also keeps you away from high-speed lanes, which could lead to serious accidents in poor visibility conditions.

  1. When encountering another vehicle

This applies to two-way roads not separated by a barrier, where both vehicles must keep to the far right of their lane. This ensures a sufficient safe distance between the two vehicles and prevents head-on collisions. It is a fundamental practice that keeps vehicles in their correct lanes and avoids any interference that could lead to an accident.

Keeping to the far right of the road in certain situations is not merely a regulatory measure; it is a driving practice aimed at protecting lives, facilitating vehicle movement, and reducing the likelihood of accidents, especially when visibility is poor or when encountering other vehicles.

Overtaking and Moving to the Right

Before turning right, you must follow a set of guidelines that ensure you are aware of your surroundings and inform other road users of your intentions.

These guidelines are abbreviated as "MSPSL," referring to a driving routine used for safely approaching intersections and hazards. It includes: Mirrors, Signal, Position, Speed, Look. Below is an explanation of what to do before turning right:

  1. Check your interior mirror and right-side mirror to assess the speed and position of any traffic behind you, including cyclists or motorcyclists, and whether your turn will affect them.
  2. Activate your right turn signal in your car at the appropriate time. This informs other drivers, pedestrians, and cyclists of your intention to turn. Ensure you do not give a misleading signal, especially if there are other roads or entrances on the right before your intended turn.
  3. Move your vehicle towards the right of your lane, positioning yourself as close to the center of the road as possible. There might be a dedicated right-turn lane or a filter lane in the middle of the road; use them if available.
  4. Do not cross the center lines unless it is unavoidable and safe. Leave enough space for other vehicles to overtake you from your left if there is sufficient space and it is safe for them.
  5. Reduce your speed early and gently, as this step gives you time to assess the intersection, look for hazards, and make a safe decision about when to turn.
  6. It is essential to thoroughly check the new road for any obstacles, traffic, or pedestrians, always giving priority to pedestrians who are already crossing.
  7. You should also be wary of cyclists and motorcyclists who may be difficult to see. Do not forget to yield to oncoming vehicles, and never turn if doing so would impede their movement.
  8. Finally, assess the speed of oncoming traffic to determine a safe gap, and take a final quick glance over your right shoulder before turning to ensure the path is clear.

Remember, dear driver, even if another driver flashes their headlights or signals you to go, never assume it is safe to proceed without checking all your surroundings.

Also, be wary of oncoming vehicles with their left turn signal on. They might be about to turn, but they might also have left the signal on by mistake. Therefore, wait until they actually begin to turn before committing.

Drivers should adhere to the MSPSL routine when approaching intersections to ensure everyone's safety: checking mirrors, signaling, choosing the appropriate position, reducing speed, and looking at the road.

Overtaking from the Left: Guidelines and Rules

Overtaking from the left may be permitted, but with specific guidelines depending on the type of road:

  1. On non-highway roads

Traffic rules state that you should not overtake from the left unless the vehicle in front of you is signaling a right turn and there is sufficient space to do so.

However, if traffic is slow in queues, stay in your lane, and you may pass on the left if the queue to your right is moving slower than you.

  1. On highways

You should not overtake from the left or move to a lane on your left to overtake in congested traffic, as adjacent lanes typically move at similar speeds.

Traffic in the left lanes may sometimes be faster than traffic on the right. In such cases, you can maintain your speed in your lane, even if it means passing vehicles in the lane to your right.

In any case, you must always exercise extreme caution when overtaking from the left, as there are several potential risks. These include pedestrians who might cross the road or be hidden behind parked vehicles in other lanes, as well as the possibility that other drivers may not see you and suddenly move left.

Legal Penalties for Non-Compliance

Failure to comply with the aforementioned rules constitutes a traffic violation subject to penalties, as traffic laws impose fines and sanctions on drivers who do not adhere to their correct lane.

For instance, you could face a fine ranging from 300 to 500 riyals for driving in the left lane without justification. This fine might be reduced to between 150 and 300 riyals if you suddenly change lanes without using your turn signals.

These violations also impact your driving record, increasing demerit points, and repeated offenses could lead to the suspension of your driver's license. It's important to note that traffic authorities heavily utilize modern technologies, such as surveillance cameras and AI systems, to detect these violations and accurately enforce penalties, making adherence to these rules more crucial than ever.

7 Additional Tips for Safe Driving

  1. Always be aware of your surroundings on the road, use your mirrors regularly, and know the position of other vehicles.
  2. Use your turn signals correctly and at the appropriate time to inform other drivers of your intentions.
  3. Always maintain a safe distance between your vehicle and the one in front of you to avoid sudden collisions.
  4. Do not exceed the posted speed limit, and adhere to a speed appropriate for road conditions and weather.
  5. Stay calm. Don't rush, tailgate, or make dangerous overtakes. Aggressive driving increases the risk of accidents and creates a tense traffic environment.
  6. Do not use your mobile phone or engage in any distracting activities while driving.
  7. Ensure your vehicle is in good condition and that all systems (brakes, lighting, Tires" operate correctly.
Safe driving begins with awareness and responsibility. When you adhere to the right lane and respect those around you, you contribute to a safer traffic environment and build a culture based on trust and respect, not chaos.

Furthermore, safe driving reflects civic awareness and social responsibility. When you adhere to traffic rules, including keeping to the far right of the road, you help ensure smooth traffic flow and reinforce mutual trust and respect on the road.

Your adherence also reduces stress and allows you to anticipate the behavior of other drivers, whether they are moving faster or slower. It promotes a culture of safety, making safe driving the norm, not the exception, and encourages future generations to adopt these positive practices.

Adhering to right-lane rules also significantly helps reduce the phenomenon of "road rage," which often arises from chaos and a lack of respect for others' rights. To ensure the sustainability of this culture, education on these rules must begin in driving training programs, supported by ongoing traffic awareness campaigns launched by official authorities.

In conclusion, adhering to the far right of the road is a leadership behavior that reflects an awareness of responsibility towards one's own safety and the safety of others. By considering and diligently applying the cases we mentioned earlier, you contribute to creating a safer and smoother traffic environment for everyone.

Always remember, as a driver, you set an example for others, especially children and future generations. Your behavior on the road forms part of the collective safety awareness.