What do red flashing traffic lights mean in Thailand

By Submitted Message
Posted in Reader question
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April 5, 2022

Dear readers,

Recently I came across traffic lights (red/orange/green) at a large busy intersection where the red light of all traffic lights on the intersection was flashing. All traffic drove quietly through these flashing lights.

Anyone have an idea what this means? The same as with us the flashing orange lights mean maybe?

Regards,

Marco

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12 responses to “What do red flashing traffic lights mean in Thailand”

  1. Roger says up

    Ask that question to three Thai residents and you will get three different answers, none of which will be correct.

    You said it yourself, everyone drove calmly through the red flashing lights. This typifies the attitude of a Thai in traffic. Every time I go on the road with the car, I notice that a Thai has one fixed rule: “I do not take other road users into account”.

    I have already learned swearing that as a farang it is best to use the Thai way of driving, otherwise you will be constantly cut off. Passing left or right makes no difference to me, everything is allowed and possible here.

    It is best not to keep your distance because before you know it two other cars will enter in front of you. When a Thai uses his turn signal, you know he wants to merge and he has right of way. If you have to brake then it's not their problem.

    The only thing I do pay a little attention to is when I'm approaching a deadly U-turn because that's the dumbest invention I've ever seen. I'd like to know who invented this.

    And to answer your question, sorry I don't know either. Not even my wife with her Thai driver's license can answer it. When I asked her how she got her driver's license I got an angry look back 😉

  2. Erik says up

    Yes, also seen it once, and also an intersection where all the lights were off. And guess what? A horn circus, collisions and angry people?

    None of that. An invisible hand directed the traffic, each stream of traffic took turns, no one was ahead and no one was hooting. It was self-regulating. Well, try that in NL or BE?

    • TonJ says up

      As a variant of Maradona's statement: "The hand of Buddha".

  3. Rob V says up

    Flashing red = stop and then continue driving while observing the right-of-way rules. So say the same as an ordinary stop sign. For example, if flashing yellow is comparable to a triangular priority sign (continue without stopping, observing priority rules).

    That drivers in practice regularly do NOT stop at a stop sign… well… Getting caught is a fine of 1000 baht according to the traffic law.

  4. THNL says up

    Dear Mark,
    Not quite like the flashing amber (yellow) lights, but pay closer attention for another 10 seconds and the green light is coming. Often there is a light that counts down until it turns green.

  5. Dick Spring says up

    A flashing red light only means that the installation has been switched off, that you must pay extra attention and follow the normal priority rules.

    • Rob V says up

      If that were the case, flashing red would be the same as flashing yellow/orange, which is not the case. The first time I saw a red flashing traffic light, it creaked briefly in my upstairs room (what is that?). But since the light can also flash yellow, it must mean something else than that. Red stands for stop, so I guessed “then flashing red will mean you have to stop and then continue according to the right-of-way rules, while with yellow flashing you just have to pay attention and you can continue driving without stopping according to the normal right-of-way rules”. I looked it up later and my guess was correct.

      Yes, the Thai did not fall from a coconut tree either. There is also a system/logic behind it. After all, someone has thought about it, a matter of putting on a different cap/glasses and trying to put yourself in that position. That in practice that system/logic is not observed, well. But the practice is unruly in more countries, including in the Netherlands if I may believe the ANWB, for example.

  6. Hans says up

    Theoretical:

    At intersections with a red and an orange flashing light:

    Red: you are approaching a priority road, slow down and stop for traffic from the left and/or right to give way

    Orange: you are driving on a priority road, traffic from the left/right must give way, but approach the intersection carefully

    In practice, the law of the strongest and largest balls applies.
    You can get excited about it or you can adapt….

    • Rob V says up

      To be precise, the theory, the law to be precise, says the following, see paragraphs 5 and 6:

      Road Traffic Act Year 2522 (1979)

      Article 22:
      The driver must obey the traffic lights or road signs he encounters as follows:
      1. A yellow traffic light: the driver must prepare to stop the vehicle before the line so that he is prepared for what is described in paragraph 2, unless the driver has already passed the stop line.
      2. A red traffic light or a red traffic sign with the word “stop”: the driver of the vehicle must stop the vehicle before the line.
      3. A green light or a green road sign that reads “go”: the driver of the vehicle may proceed unless the road signs indicate otherwise.
      4. Green arrow indicating a curve or straight ahead, or a red traffic light while a traffic light with a green arrow is on at the same time: the driver of the vehicle can follow the direction of the arrow while being careful and giving way to pedestrians crossing on the zebra crossing or on vehicles coming first from the right.
      5. FLASHING RED traffic light: if the installation is at an intersection that is open (clear?) in all directions, the driver of the vehicle must stop before the line. When it is safe and traffic is not hindered, the driver can carefully continue his journey.
      6. FLASHING YELLOW traffic light: Regardless of the location of the installation, the driver of the vehicle must slow down and proceed with caution.

      A driver who wants to go straight must follow the lane that indicates that it is for straight-through traffic. So the driver who wants to make a turn follows the lane that indicates this turn. This lane must be entered where the traffic signals indicate so.

      The above is my own translation from Thai to Dutch. In unofficial English translations they omit the sentence about the installation of the traffic lights and write: blinking red –> the drivers shall stop at the stop line and then when it is seen as safe may proceed with care. Blinking yellow –> the driver shall reduce speed ad proceed through the roadway with care.


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  7. Eddy says up

    Another rarity

    Two months ago in Buriram. Driving on a 3 lane lane with sudden traffic lights. For what reason these were there remains a mystery to me (no intersection or exit). Box 1 has green and box 2 & 3 have red. So everyone wants to go to square 1 that has green (chaos). Same story in the opposite direction. What the hell is the point of this??? Or did they have a few traffic lights left over that they didn't know where to go?

    Eddie ( BE )

  8. KhunTak says up

    In my area there is a red flashing light, outside area, just in front of a priority road.
    This is placed there because the road to the priority road is a bit hilly and suddenly bends down and there is a slight kink in this road to the left.
    That makes it very cluttered, hence this red flashing light.
    A good solution.

  9. Marco says up

    Thanks for all the possible options.
    I'll have a listen at a police station.
    Surely they will know? The place seems to me for some extra coffee money…
    If I have more info, I'll let you know here.


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