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Old October 18th, 2007, 05:52 PM   #1
Verso
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AADT - annual average daily traffic

Show us the AADT on your country's roads. I'm also interested if anyone knows if there's any Europe- or even worldwide map of AADT.


Here we go.

I'll start with the AADT in Switzerland (as we don't have many Swiss forumers around here) and Slovenia. I'll let you post for other countries.


Switzerland

You can see map of Switzerland with its AADT in 2006 here (taken from here) on page 28.

As we can also see, the busiest road section in Switzerland is the A1/A3/E60 motorway west of Zurich between junction 53 (Birrfeld) and interchange 54 (Baden) with 3+3 lanes and AADT of 109,700. Here are a couple of pictures of this stretch:

Direction Zurich (Zürich):


Direction Berne (Bern) / Basle (Basel):




Slovenia

Firstly table with AADT in 2006. And here's the map for 2005.

Therefore the busiest road section in Slovenia is the H3 expressway (northern Ljubljana bypass) between interchanges 3 (LJ-Bežigrad (Dunajska)) and 2 (LJ-Tomačevo (roundabout); junction with the G104 expressway) with 3+3 lanes and AADT of 70,000 (data from 2005, because they didn't include it in 2006). All the links are taken from here. Here's a photo of this stretch, taken in direction east:




NOTE: this thread is not made to show us your busiest and/or widest roads, but AADT figures and maps.


Your turn.

Last edited by Verso; October 19th, 2007 at 04:19 PM.
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Old October 18th, 2007, 06:42 PM   #2
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Germany

There are some Maps at Patrick's Autobahnatlas:

Map of 2000 (pdf, 2.7mb) incl. federal roads
Map of 2005 (pdf, 2.6mb) currently without data for federal roads, but works on a new map are finished already and it will be online soon.
Not to forget the legend (pdf, 800kb)
Exact data can be found here (Bundesstraßen = federal roads, and Autobahnen)
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Old October 18th, 2007, 08:24 PM   #3
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No nice map ( ) but heres a site with Irelands AADTs.

Bear in mind that although some of the AADTs are only ~10k, they still cause several kilometers of tailbacks sometimes because of bottlenecked villages.

http://www.nra.ie/NetworkManagement/...ata/#d.en.2971
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Old October 19th, 2007, 12:21 AM   #4
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EDIT: now it opens.

Last edited by Verso; October 19th, 2007 at 01:32 AM.
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Old October 19th, 2007, 01:17 AM   #5
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Spain

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Old October 19th, 2007, 02:08 AM   #6
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Ontario, Canada

Here is a detailed report for 2004 that has AADT values for all provincial highways, including AADT values for every single interchange/intersection. It includes both 2-lane highways and motorways. The motorways are mostly roads numbered in the 400s, plus several others, like the QEW.

The highest AADT seems to be 420,800 on a section of Highway 401. Some non-motorway expressways, like Highway 7, reach relatively high AADT values of over 90,000 when they pass inside cities, near major interchanges.
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Old October 19th, 2007, 08:21 AM   #7
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the Netherlands:

Good overview made by Chris containing all dutch motorway sections with an average AADT of over 100,000 in 2005,



(Interesting: The combined AADT near Ridderkerk, where the A15 and A16 run parallel next to eachother, is 348,624 vehicles per day in 2005. With an average growth of 3 to 5% per year the current combined AADT should now be close to 360-370,000)
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Last edited by CborG; October 19th, 2007 at 08:39 AM.
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Old October 19th, 2007, 08:45 AM   #8
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On a map, also by Chris, the figures look like this:

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Old October 19th, 2007, 09:52 AM   #9
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The amount of motorway stretches with an AADT of over 100,000 in Flanders, not Belgium, is significantly lower than in the Netherlands,

R0, UZ-Jette en Zellik - 155 200
R0, AnderlechtN-Neerpede - 144.500
R0, Vilvoorde-Grimbergen - 141.000
E40, StStevensWoluwe-Sterrebeek 132.500
R1, AntwerpenRijswijklaan-Wilrijk - 130.000
E40, Wetteren-Merelbeke - 120.000
E19, Machelen-Vilvoorde - 116.500
E313, AntwerpenO-Wommelgem - 112.000
E17, DePinte-Zwijnaarde - 97.000
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Old October 19th, 2007, 10:32 AM   #10
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Quote:
Originally Posted by CborG View Post
(Interesting: The combined AADT near Ridderkerk, where the A15 and A16 run parallel next to eachother, is 348,624 vehicles per day in 2005. With an average growth of 3 to 5% per year the current combined AADT should now be close to 360-370,000)

No, 2 things.

1) The A15 and A16 don't have a combined AADT. The A16 figure is for the whole section on all lanes.

2) The average growth is much lower, especially in the Randstad, where it has almost no growth, or very limited like around 1%. In Eastern and Northern Netherlands, AADT grows between 1 - 4%, however some sections have a higher growth, but that is not a "natural" growth, but because of changes in the regional road network, like a new connecting road, or a huge new suburb.
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Old October 19th, 2007, 10:35 AM   #11
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Quote:
Originally Posted by CborG View Post
an AADT of over 100,000 in Flanders, not Belgium
I don't think there are sections in Wallonia that have over 100.000

Most busy parts around Brussels are in Flandres. Liege surely is busy, but not over 100.000.

100.000 is a very high intensity, especially on a 2x2 motorway, which will be jammed every rushhour. 100.000 vehicles AADT on a 2x2 motorway means the motorway is packed with cars and trucks from 6 am to 8 pm, and traffic jams in the rushhours.
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Old October 19th, 2007, 01:02 PM   #12
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Quote:
Originally Posted by Chriszwolle View Post
1) The A15 and A16 don't have a combined AADT. The A16 figure is for the whole section on all lanes.
If the A16 figure is for the whole section, all lanes included. then they are combined, right???

I follow your list and it/you say(s): 3rd busiest: A16, 221.399 cars on 2x5 lanes. if the A15 was included in that figure the combined AADT on 17 lanes must be much higher than the AADT on the 12 lane A16 stretches further north.

But I know they are two separate motorways with each his own digit but apart from that, just like R'dam and all it suburbs look like one city, this looks like one big motorway. If I took a chair and go sit there all day looking at cars, more than a third of a million on 17 lanes would i have seen driving by, 17 lanes so close next to eachother is fortunately still very rare in Europe.

The other figures are flemish only, coming from this pdf:
http://wegen.vlaanderen.be/documenten/tellingen/2006/

For the wallonian motorway figures, searching in french likely gives more results
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Old October 19th, 2007, 05:17 PM   #13
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Estonia's map: http://www.mnt.ee/atp/failid/loenduskaart_eesti2006.pdf
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Old October 19th, 2007, 08:30 PM   #14
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And Tallinn.

Plus Latvia.
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Old October 19th, 2007, 08:47 PM   #15
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Hartford, United States

There are the highest traffic spots on each of the highways in the metro area:

Interstate 84, Exit 47, 187,900
Interstate 91, Exit 35, 145,600
Interstate 291, Bissell Bridge, 62,800
Interstate 384, Junction with I-84, 40,900
State Route 2, Exit 5, 73,400
State Route 9, Exit 26, 73,500

Basically, Interstate 91 & 84 (the main highways) are above 100,000 vehicles a day. The most busiest area naturally, is Downtown Hartford, where everyone seems to work. Because the highways are so narrow in Hartford, a traffic jam is possible at anytime between 6AM and 9PM.

Hartford has one of the smallest highway systems compared to most cities this size in the US, so there is also heavy traffic on local roads. Large swaths of the metropolitan area have no highway coverage at all.
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Old October 28th, 2007, 08:49 PM   #16
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As proposed, here the map of Germany 2005, incl. federal roads (pdf, 2.8mb).
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Old October 28th, 2007, 10:18 PM   #17
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^ Thanks, Rohne; this thread is so forgotten.
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Old October 28th, 2007, 11:33 PM   #18
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I'm trying to find some french, italian and spanish figures. Anybody knows the correct translation for AADT in those languages?
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Old October 29th, 2007, 12:12 AM   #19
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According to Wikipedia it's ÅDT in Swedish.
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Old October 29th, 2007, 12:14 AM   #20
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Try to translate "Traffic Count" or "Traffic Volume". AADT is an American term.
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