Answering the Mystery! What Does the Traffic Sign with the Number 3 Mean on the Road?

Have you ever wondered what the blue diamond-shaped traffic sign with a white number 3 means? Let’s uncover the secret of these mysterious traffic signs and introduce you to the "Mass Transit Lane," a pathway to faster, smoother, and more eco-friendly travel.

In an era where traffic congestion has become a chronic issue, finding ways to reduce road congestion, create convenience, speed, and be environmentally friendly is a priority for many countries worldwide. One effective approach is the establishment of "Mass Transit Lanes," commonly known as "HOV lanes" (High Occupancy Vehicle lanes).

Traffic Sign Number 3 = Mass Transit Lane

The traffic sign featuring a white number 3 within a blue diamond shape indicates a "Mass Transit Lane." The number 3 signifies the minimum number of passengers a vehicle must have to use this lane, which includes mass transit vehicles or private cars with at least 3 occupants (including the driver).

Types of Vehicles Allowed to Use the Mass Transit Lane

• Buses: Public transportation buses.
• Taxis: Taxis providing passenger services.
• School Buses: Vehicles used for transporting students.
• Private Cars with at least 3 occupants: Private cars with at least 3 occupants, including the driver.

Types of Vehicles Prohibited from Using the Mass Transit Lane

• Private cars with fewer than 3 occupants: Cars with fewer than 3 occupants, including the driver.
• Trucks: Large vehicles used for transporting goods.
• Bicycles: Manually powered vehicles.
• Three-wheeled vehicles: Three-wheeled vehicles such as tuk-tuks.

Roads Designated as Mass Transit Lanes in Bangkok

Currently, some roads in Bangkok have designated Mass Transit Lanes. For instance, Nakhon Sawan Road heading towards Phan Fa Lilat Bridge and the BRT lane on Rama III Road, where cars with at least 3 occupants can use the BRT lane during rush hours from 07:00-09:00 and 17:00-19:00.

Understanding and adhering to these traffic rules not only helps reduce traffic congestion but also promotes safer and more efficient travel.

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