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BANGKOK 24 February 2019 05:41
jojothai

Chonburi - Pattaya Motorway speed limits and gantries

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I drove down to Pattaya and back from Bangkok last weekend on the Chonburi - Pattaya Motorway.

Used to do this a lot but not done since a year ago.

Very confused about the motorway speed limits, see below, Perhaps somebody has some info or experience to contribute.

 

The motorway was fairly busy in sections, but there were no hazards or traffic problems on my journey. 

You have the main signs for 120 in places, then periodic small 90 signs (some flashing) at the side of the motorway in some sections,

then you have overhead gantries with speed measurement displays (I think there were 4 or 5 of them).

I think one gantry had 120 sign, two had 90 signs and the first one coming out of Pattaya was 80.

Many of the vehicles are doing 100 - 120 ( and as usual some lunatics Higher).

so you can guess that as people see a 90 symbol on the gantry just in front of them there was variable braking and the potential for multiple car pile ups.

Its dangerous braking suddenly when there a lot of vehicles around you 

 

Whilst I support the efforts to get Motorists to slow down,

it is ridiculous to create such a hazard without adequate signage for clarity on the actual speed limit.

eg In the UK there are well indicated signage at speed restricted areas.

From what I saw, perhaps the whole of the motorway could be 90 speed limit with just some small parts at toll gates 120,

but how are drivers supposed to know when the toll booths clearly show 120 for cars?

Perhaps its just another example of the Thai authorities implementing something without sufficiently considering what will happen.  

 

Are all the small 90 signs valid? Can somebody clarify when these gantries and speed displays were put up. Is it only recently?

 

I note that there do not yet appear to be any cameras on the gantries, when I was driving back I was looking at the opposite side of the motorway.

As you can also guess, there were people slowing down more as they hit the displays trying to see if there were any cameras.

This increases the hazard.

 

I need to go to Pattaya again in 10 days. Appreciate any information related to speed limits.

Has there been any announcements concerning the speed limit or the gantries, or when they will fit cameras.

 

 

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4 hours ago, jojothai said:

then you have overhead gantries with speed measurement displays (I think there were 4 or 5 of them).

This was covered in a news article a month or so ago as Thai's were scaremongering but the DLT came on to reassure them there were no cameras involved.

If you look at them they are advising the 3 supposed speed limits for different types of vehicles and then depending on which lane you are in and speed they will flash your speed in either red, yellow or green. However since they have no current idea what kind of vehicle is being driven in which lane the colours are completely nonsensical. 

 

If you are in a car/truck unless you are going over 120 you can ignore them as the posters above suggest.

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14 hours ago, topt said:

If you look at them they are advising the 3 supposed speed limits for different types of vehicles and then depending on which lane you are in and speed they will flash your speed in either red, yellow or green. However since they have no current idea what kind of vehicle is being driven in which lane the colours are completely nonsensical. 

Thanks.

That would explain why i saw different speeds of 120, 90 and 80 on the Gantries. 

I had not thought that they may be displaying the various numbers for different vehicles.

Perhaps the authorities think that people will have to slow down enough to read and figure out what is on the gantries :wacko:

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15 hours ago, KittenKong said:

Those signs make zero sense to me. When I drive to Bangkok I go at exactly 120kph all the way to the airport (when possible) and have yet to get a ticket.

If it was 90, they would be overwhelmed with the number of tickets they would have to issue.

I would guess that at least 80% of the vehicles were over 90 going through the gantries.

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14 hours ago, LennyW said:

120 is the speed limit, the 90 signs are advisories at bends and bridges.

Are you 100% sure about this? Please may I send any tickets to you if I get one for doing 120 where it says 90.  LOL

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7 minutes ago, wgdanson said:

Are you 100% sure about this? Please may I send any tickets to you if I get one for doing 120 where it says 90.  LOL

 

Please send a picture of the air gap between your car and the road as you try to cross the one bad bridge at 120 KPH !!

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I think the only actual camera is at kilometre marker 112, I usually slow for that then 120 for the rest.

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1 hour ago, wgdanson said:

Are you 100% sure about this? Please may I send any tickets to you if I get one for doing 120 where it says 90.  LOL

Yes i am, and if you are not then please stay off the road LOL!

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1 hour ago, Peterw42 said:

I think the only actual camera is at kilometre marker 112, I usually slow for that then 120 for the rest.

That camera is very near a 120kph sign, so presumably that speed is correct there. I always go past it at 120kph according to my car speedometer, though I know from my GPS that my car speedometer does over-read by about 6kph, in common with many (most? all?) other vehicles. That over-reading is also confirmed by the gantry speed indicators.

 

That is the only permanent camera that I know of, but there are sometimes mobile cameras along there.

Edited by KittenKong
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Waze spots only 3 speed cameras on the way, I brake 3 times then can drive all the way at 160 minimum, doing this for years, no speed ticket ever received.

 

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1 hour ago, Peterw42 said:

I think the only actual camera is at kilometre marker 112, I usually slow for that then 120 for the rest.

 

it was written km 110 on my friend ticket, and it is not the only camera, use waze and you will know more, there are 3 clearly spotted.

 

 

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35 minutes ago, KittenKong said:

That camera is very near a 120kph sign, so presumably that speed is correct there. I always go past it at 120kph according to my car speedometer, though I know from my GPS that my car speedometer does over-read by about 6kph, in common with many (most? all?) other vehicles. That over-reading is also confirmed by the gantry speed indicators.

 

That is the only permanent camera that I know of, but there are sometimes mobile cameras along there.

That explains why my speedometer was off on my last trip, thought maybe there radar was off, so now I can go 126 and be safe - 555

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On the other highway Bangkok to Chonburi closer to the coast there are no sign for max speed, do someone know what the max speed is here?

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