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Old November 21st, 2011, 09:13 AM   #221
Mark19
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image hosted on flickr


in central america (el salvador) we paint like this

because, you CAN NOT cross the yellow line, and you CAN cross the white line (in this case the highway shoulders)
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Old November 21st, 2011, 11:50 AM   #222
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This has probably been answered before, but is there an EU regulation for it?

I remember in Austria everything used to be painted yellow on streets (except temporary lines). Somewhere around the early 90ties everything was changed to white and I remember people claiming it was because of the EU. On a few old streets you can still see the yellow lines underneath the white ones btw. But this is becoming increasingly rare.
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Old November 21st, 2011, 04:56 PM   #223
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Montenegro up to a couple years ago used yellow side lines and white median.
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Old November 21st, 2011, 08:05 PM   #224
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Quote:
Originally Posted by rheintram View Post
This has probably been answered before, but is there an EU regulation for it?

I remember in Austria everything used to be painted yellow on streets (except temporary lines). Somewhere around the early 90ties everything was changed to white and I remember people claiming it was because of the EU. On a few old streets you can still see the yellow lines underneath the white ones btw. But this is becoming increasingly rare.
The EU cannot be blaimed for everything.

The road markings and traffic signs are not regulated by the EU. They have been harmonized by the Vienna Convention on Road Signs and Signals on a voluntary basis. The conversion harmonizes the outlook of several markings, but the member countries have the freedom to select any colour. Thus, pink would go, for example.

White markings are more clearly visible in bad weather and illumination conditions than yellow ones. This is the most obvious reason to select the white colour, I think.
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Old November 21st, 2011, 08:41 PM   #225
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the yellow lines is better than white at night.
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Old November 21st, 2011, 10:15 PM   #226
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Not on wet road. Also I think that luminance is better developed (more advanced) on white paints than on yellow.
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Old November 22nd, 2011, 01:38 AM   #227
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Here's my thinking of a possible reason for using white at the centre and yellow at the sides.

The first line to be painted on roads was probably the centre one or that separating lanes, and white would probably be the first choice of colour. Later, the sides of the road were marked and they chose a different colour, and yellow would be the next-best colour to use.

Just my theory.
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Old November 22nd, 2011, 01:54 PM   #228
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Quote:
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Not on wet road. Also I think that luminance is better developed (more advanced) on white paints than on yellow.
That is true. The retroreflectivity of the yellow markings are typically 20-40 per cent less than the white ones. Of course, better materials can be used to increase the visibility of the yellow markings, but there is an extra cost involved. In the north, where the studded tires and showploughing reduce the duration of the markings, the cost may be amazingly high. For instance, Sweden spends 30-40 million euros to road markings every year. Not using yellow saves money.

The retroreflectivity is measured by millicandelas per square meter per lux. Quite a typical rules state that the minimum acceptable retroreflectivity of white markings is 100 mcd/sqm/lx, while the minimum of yellow markings is 80 units. Thus, the worse retroreflectivity of the yellow colour is a known and accepted fact.

Typically, the retroreflectivity of wet markings is about one third of the dry ones.
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Old November 23rd, 2011, 02:17 AM   #229
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I am not sure of the meaning of yellow edge markings. I understand our yellow central line, which has a different meaning than when it is white (direction of the traffic on the other side of the line), but why yellow edge markings? (it looks good though )
The meaning is actually similar - you always know that the yellow line should be on your right side (well, unless you go way too far left ).

It actually helps greatly at night because you always know that as long as you keep the yellow line close to you on the right side, but do not cross it, you are safe. As long as it is maintained properly, I find this superior to, say, tracking the median line.

However, being used to Canada, I prefer having a different-coloured direction separation, compared to all-white.
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Old November 23rd, 2011, 03:11 AM   #230
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Quote:
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The meaning is actually similar - you always know that the yellow line should be on your right side (well, unless you go way too far left ).

It actually helps greatly at night because you always know that as long as you keep the yellow line close to you on the right side, but do not cross it, you are safe. As long as it is maintained properly, I find this superior to, say, tracking the median line.

However, being used to Canada, I prefer having a different-coloured direction separation, compared to all-white.
Also, it means if you're on a road and have a yellow line on the left edge and a white one on the right edge (vice versa if driving on the right) you know you're on a dual carriageway/divided highway even if the other side is hidden on the other side of a wide median. Yellow on both sides and you're on a single carriageway and can expect oncoming traffic.
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Old November 23rd, 2011, 10:41 AM   #231
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you always know that as long as you keep the yellow line close to you on the right side, but do not cross it, you are safe.
don't you mean on the left side?
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Old November 23rd, 2011, 06:31 PM   #232
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Quote:
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don't you mean on the left side?
Well, I was talking about countries where you drive on the right (like in Israel), where the yellow margin would be on your right side. In Ireland/South Africa it would be the left side indeed.
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Old November 23rd, 2011, 07:59 PM   #233
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TheCat and d110220:
Finally yellow edge markings makes sense to me (I must have been a bit dumb!!!), yellow line means "this is end of road"; Regardless of the road being a normal two-lined one or a multi-lane, sometimes even with grass medians, "islands" or special purpose lanes in the middle one. Almost as clever as yellow center line for different traffic direction!
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Old November 24th, 2011, 11:32 AM   #234
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Quote:
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Well, I was talking about countries where you drive on the right (like in Israel), where the yellow margin would be on your right side. In Ireland/South Africa it would be the left side indeed.
sorry I thought you were talking about the yellow divider line
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Old May 15th, 2012, 07:54 AM   #235
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Norway is swapping to left orange lines on motorways and one-way streets aswell now:
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Old May 15th, 2012, 08:44 AM   #236
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Sorry, i dont understood.

Norway is changing white lines for yellow lines ??
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Old May 15th, 2012, 03:35 PM   #237
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Quote:
Originally Posted by xrtn2 View Post


Sorry, i dont understood.

Norway is changing white lines for yellow lines ??
On dual carriageways and one way streets. Norway already had yellow lines on single carriageways.

Basicamente, a Noruega já tinha linhas amarelas nas estradas de dois sentidos sem separação mas utilizava linhas brancas (com separação, e estradas de sentido único) nas outras estradas (como no Brasil), mas agora mudaram para o mesmo da EUA, agora eles tem sempre linhas amarelas (ou laranjas)

Last edited by DanielFigFoz; May 15th, 2012 at 11:07 PM.
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Old May 15th, 2012, 10:10 PM   #238
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Hum


Brazil changed all yellow central lanes same direction for white lanes, but the opposite lanes keep being yellow.

And Brazil also changed all american chevrons for portuguese ones.



But opposite lanes keep being yellow.



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Last edited by xrtn2; May 15th, 2012 at 10:23 PM.
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Old May 16th, 2012, 10:14 PM   #239
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Quote:
Originally Posted by Ingenioren View Post
Norway is swapping to left orange lines on motorways and one-way streets aswell now:
Interesting (and finally!)

Do you have any sources? Road authority hasn't updated their site: http://www.vegvesen.no/Fag/Publikasjoner/Vegnormaler

edit: I found it...
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Last edited by IceCheese; May 16th, 2012 at 10:24 PM.
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Old May 17th, 2012, 12:47 AM   #240
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Yes, finally! I've never understood why we kept the yellow divider away from dual carriageways. Now, you deserve to be properly banned for driving if you're able to go against the traffic...

I just hope they make a swift change to clarify the process. And, that they take road markings serious and repaint them every year after the stupid studded tires have removed them.
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