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Old February 13th, 2011, 09:14 PM   #9661
ChrisZwolle
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Many of Spain's motorways with high exit density were built right over existing national routes. Hence, all villages along it would lose their connection to the main roads if you only have exits every 10 - 15 kilometers. Newer Spanish motorways that run across new alignments have less exits than the older ones.
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Old February 13th, 2011, 09:22 PM   #9662
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Quote:
Originally Posted by DanielFigFoz View Post
What do you lot think of the two different approaches of building motorways;

1)Like the UK, build very few exits.

2)Like the US or Spain, build lots of exits.

Personally, I prefer the latter, as it is more interesting, allows rural communities to be linked more easily and takes traffic off city streets.
I'd say it has to do a lot with the non-motorway network you have in place. Well, US is an exception, they have many non-motorway roads and many exits also.

In Europe, the approach depends much on how good were the road networks prior to construction of motorways. France and United Kingdom, for instance, had good networks of national routes build since 1910 until 1960. Same goes for Italy. In such cases, you could build the motorway network thinking of it as complements to a network already in place.

Spain, on the contrary, never developed a modern network of 1x2 roads, generally speaking. And the routes that existed were likely improved and widened trails from ancient times, meaning they mingles a lot with every village street network and alike. So that justifies building more exists.

In Italy, the controlled-access toll system with distance-based fares (toll plazas on each exit) had the unintended effect of making exit construction extremely expensive, as the country is rather mountainous, meaning many larger cities have few motorway exits.

Having a motorway system with few exists could create incentives for a better 2nd tier road network, which is a good thing IMO.
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Old February 13th, 2011, 09:23 PM   #9663
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In Portugal there are less exits than Spain, but more than the UK. The A23, for example, linked areas in a way that they weren't before (replacing trips that took hours and hours-whats now done in 2 hours was 8 hours) but the road still is a bit lacking in exits.

The free section of the A14, between Figueira and Montemor has a lot more exits per distance than the tolled section between Montemor and Coimbra which no one uses, as it replaced the section of the N111 between Montemor and Figueira, which, in sections, is no more than a country lane. It has a series of bridges in grave danger of collapsing. This is why the motorway is free, so that the traffic doesn't use the N111.

Most Portuguese motorways have the same system as the Italian one you just described, although they tend to be free nearer to Lisbon and Porto, possibly due to lack of room and/or capacity for toll plazas.
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Old February 13th, 2011, 09:23 PM   #9664
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I've just travelled on Germany Autobahn A8 and A93 + Austria A12. I've never seen a motorway that congested but with everybody going 130+ km/h.



More pictures to come later this month.
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Old February 13th, 2011, 09:27 PM   #9665
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Quote:
Originally Posted by bogdymol View Post
I've just travelled on Germany Autobahn A8 and A93 + Austria A12. I've never seen a motorway that congested but with everybody going 130+ km/h.
We told you so

How did your ski day go?
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Old February 13th, 2011, 09:44 PM   #9666
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Heres a unique underpass in Plandome,NY....

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Old February 13th, 2011, 09:54 PM   #9667
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Whats unique about it? Is it because a station goes over a road? Thats not that unique. The area looks nice though.
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Old February 13th, 2011, 09:56 PM   #9668
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Quote:
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Whats unique about it? Is it because a station goes over a road? Thats not that unique. The area looks nice though.
You don't think it looks unique ive never seen an underpass like that....
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Old February 13th, 2011, 10:01 PM   #9669
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Quote:
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Heres a unique underpass in Plandome,NY....
It looks nice. Low clearance for trucks.

By the way, what is the platform gauge for US railways? Is there any national FRA-enforced standard on that?
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Old February 13th, 2011, 11:53 PM   #9670
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Quote:
Originally Posted by bogdymol View Post
I've just travelled on Germany Autobahn A8 and A93 + Austria A12. I've never seen a motorway that congested but with everybody going 130+ km/h.
True, true.

Btw, you might like this guys -

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Old February 14th, 2011, 03:06 PM   #9671
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Quote:
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There is a shorter route, but that one goes through all souther Hungary villages. Anyway, I will take the same northern route both ways.
A shorter route which doesn't pass through so many villages is from Enying (near M7) to Kecskemet (M5). When I go to Southern Austria, I almost never use the hungarian motorways, as the route on national or county roads is about 100km shorter than the route M5-M0-M1-A4-S1-A2. And is also much cheaper.
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Old February 14th, 2011, 07:48 PM   #9672
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Quote:
Originally Posted by g.spinoza View Post
We told you so

How did your ski day go?
Stubai Glacier is a wonderfull place to ski. Excelent weather today, quite warm, perfect snow, and no queues. The only problem is that I got a little sun burn on my face

Quote:
Originally Posted by panda80 View Post
A shorter route which doesn't pass through so many villages is from Enying (near M7) to Kecskemet (M5). When I go to Southern Austria, I almost never use the hungarian motorways, as the route on national or county roads is about 100km shorter than the route M5-M0-M1-A4-S1-A2. And is also much cheaper.
Yes, going to southern Austria might be better on that route, but I had to go on far western Austria and it was better on M5 - M0 - M1 - A4 - A23 - A21 - A1 - A8(DE) - A93(DE) - A12 - A13
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Old February 14th, 2011, 11:37 PM   #9673
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hurry with the pics.
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Old February 15th, 2011, 07:29 PM   #9674
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Just 2 pics to keep you interested:




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Old February 18th, 2011, 05:30 AM   #9675
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Quote:
Originally Posted by Nexis View Post
Heres a unique underpass in Plandome,NY....

I guess the DOT wanted to make the clearance line VERY clear to drivers.

Quote:
Originally Posted by bogdymol View Post
Just 2 pics to keep you interested:




Do like the pics of the tunnel and avalanche gallery.
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Old February 19th, 2011, 10:29 PM   #9676
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Who's interested in German guidelines for road constructions may take a look at the "Online-Compendium Road Design" by the University of Dresden:
http://strassenentwurf.elcms.de/content/index_eng.html

I hope it will be extendet in the future.
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Old February 20th, 2011, 09:07 PM   #9677
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Interesting. Look which megacity is the first one -

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Old February 20th, 2011, 09:55 PM   #9678
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As noise is one of my occupations at work, I wonder how they compiled this list.

It's useless by the way to base this only on road transport. Maybe you'll have a nice 30 dB from the local residential street but you live right under the path of approaching airplanes, or you live next to a railway with freight trains all night long.
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Old February 20th, 2011, 09:59 PM   #9679
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Quote:
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I guess the DOT wanted to make the clearance line VERY clear to drivers.


Do like the pics of the tunnel and avalanche gallery.
Indeed they did , they were going to double track this section and raise it but locals opposed it.....
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Old February 20th, 2011, 11:52 PM   #9680
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Me too. Road noise in Rome is a serious issue.
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