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Old September 21st, 2012, 05:14 PM   #8181
ChrisZwolle
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It has been estimated that a large-scale flooding in western Netherlands will likely result in several tens of thousands of fatalities and over € 120 billion in damage. That's why the Netherlands cannot afford to neglect coastal and inland water defenses.
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Old September 21st, 2012, 05:16 PM   #8182
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Quote:
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Short video of A4 in Rotterdam.



The chevrons are yellow-red.

So much modern motorway.
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Old September 21st, 2012, 05:24 PM   #8183
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Quote:
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Well, I was thinking a permanent rise in sea levels - the type that would require the permanent abandonment of the Randstad - would take years rather than resulting from one storm, so people would gradually move away as the writing on the wall became clear.

If, however, a dike breach or whatever is more likely during the process, I suppose you have a point: it could be sudden.
It's sort of a game of high risks. A gentle permanent rise in sea levels (say through climate change) is perfectly manageable. So the coastal defenses would steadily grow as sea levels rose.

But there's a catch: the bigger the defenses, the bigger the catastrophe if they do break.

It's not inconceivable that climate change will cause bigger and fiercer storms. The fiercest thing we've ever suffered were storms just below category 1 hurricanes (and they would still wreak havoc, like in 1953).
So let's say we get a category 2 or even category 3 hurricane here by the year 2100. You'd have to evacuate. There's no way you can take that risk.
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Old September 21st, 2012, 05:46 PM   #8184
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Recent large-scale evacuations in the United States show that the chaos and fatalities during evacuations is sometimes worse than no evacuation.

High-category hurricanes remain unlikely because the water is nowhere near warm enough to support such intense hurricanes. The North Sea is generally no warmer than 17 C, far below the usual threshold of 28 - 30 C necessary to support high-category hurricanes. The North Sea is also relatively small, so interaction with land will reduce the chance of strong hurricanes.

No transportation system can carry millions of people in a number of hours. All evacuations would have to be southeast or east, and most motorways drop to only 4 lanes. Even with contraflow that would create incredible traffic congestion and delays.
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Old September 21st, 2012, 05:52 PM   #8185
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I would imagine the most likely way for you to get a hurricane would be for it to somehow get up there from the mid-Atlantic, but to get past Dover and Calais it would have to take just the right path. And even then....

The notion of contraflow, on a freeway system that is much more complex and dense than that of southern Louisiana, boggles the mind....
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Old September 21st, 2012, 06:47 PM   #8186
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Quote:
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Surely it wouldn't happen so fast you need to worry about the fastest route....
I would be concernd with tidal waves, tsunamis and the like. I don't care about the increasing oceans levels indeed.

The omnipresent canals, gutters and waterways makes it quite impossible to drive on the fields as well. There would be very little free roads. The motorways and main roads would be stuck at first.

Actually going in the contraflow right from the begining is not so bad idea. The traffic there would be at the begining quite low, slowly as many would get the same idea, it would stuck as well. Its about right timing.

Anyway, how long could it take for 10 m+ wave to reach some 100 km inland? ... some 70 km/h is the approach speed.

Last edited by Surel; September 21st, 2012 at 06:58 PM.
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Old September 21st, 2012, 07:25 PM   #8187
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Quote:
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Yes but the beach and the sea would be highly toxic because all the chemical industry, other industry, oil refineries and nuclear power plants would have been hit.

Not exactly a Caribbean dream.
Doesn't matter, had beach

Made some pics of the A4 btw, will post pics here later.
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Old September 21st, 2012, 08:03 PM   #8188
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Quote:
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Made some pics of the A4 btw, will post pics here later.
You on the driver's seat?
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Old September 21st, 2012, 08:05 PM   #8189
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haha, no on the bike. Can pick up my drivers license next wednesday
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Old September 21st, 2012, 09:07 PM   #8190
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You know you shouldn't be riding a bike on the motorway.
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Old September 21st, 2012, 09:26 PM   #8191
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*sigh*



Anyway,

A4 update Halsteren - Dinteloord


It's been a while since there has been an update, but here it is:

From a temporary cyclepath near Klutsdorp, looking towards Bergen Op Zoom:


Same location, looking into the other direction:

Looking towards Bergen Op Zoom from the junction Zoekweg/Stierenweg. Couldn't get a better pic due to a constant stream of trucks blowwing up the sand


The other direction (Dinteloord)


The Zonnekreekseweg was closed and demolished... That came as a big surprise to me


Went off my bike and walked a bit towards the construction. View towards Bergen Op Zoom


Towards Dinteloord:


a little bit futher down the road near the Westlandse Langeweg. there will be a bridge over the A4 here:


Same location, but now the works on the highway itself. Looking towards Dinteloord


Towards Bergen Op Zoom, with the only windmill in the area in the left of the pic.


At the aqueduct U/C, a viewing point was built. I didn't feel safe on it though. Very wobbly. Not preferrable when you have a fear of heights


Looking towards Bergen Op Zoom from up the viewing point:


Zoom


Aqueduct U/C. No view towards Dinteloord: trees...


The aqueduct will be built for this small dead-end-river that ends 2 kms from here in the Steenbergen harbor.


Building material:


Overview:


Near the N257. A house is still here, for now. It's almost completely demolished.


Cyclist need to cross here due to the works. Therefor, a center island was built by removing the turning lane towards the Stoofdijk. Max speed has been lowered to 50 km/h (80 normal)


Zuidzeedijk. Near the Steenbergsche Vliet. At the south of the creek:


Looking in the other direction:


Just north of the Zuidzeedijk: asphalt! 1 layer. Pic towards Bergen Op Zoom


Towards Dinteloord


End of the A29. Looking towards the Zuidzeedijk.

Pic from this viaduct just north of the roadworks. Looking towards the roadworks (southern direction)


And as a bonus: a look in the other direction: A29, 30 kms from Rotterdam, gaining altitude for the bridge over the Dintel river. (bridge can't open for boats)
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Old September 22nd, 2012, 10:21 PM   #8192
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A2 's-Hertogenbosch - Eindhoven

Some photos of porous asphalt pouring on A2 in Vught, just south of 's-Hertogenbosch (Den Bosch).

image hosted on flickr

DSC_0413 by jeroenvanlieshout, on Flickr

image hosted on flickr

DSC_0422 by jeroenvanlieshout, on Flickr

image hosted on flickr

DSC_0440 by jeroenvanlieshout, on Flickr

image hosted on flickr

DSC_0452 by jeroenvanlieshout, on Flickr

image hosted on flickr

DSC_0478 by jeroenvanlieshout, on Flickr

image hosted on flickr

DSC_0484 by jeroenvanlieshout, on Flickr
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Old September 24th, 2012, 11:56 AM   #8193
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Is Chris counting traffic in Wolvega today...?
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Old September 24th, 2012, 12:00 PM   #8194
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Did you see him?
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Old September 24th, 2012, 12:03 PM   #8195
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Quote:
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Did you see him?
Maybe. I saw some people and drove over the wires.
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Old September 24th, 2012, 12:13 PM   #8196
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Wasn't me
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Old September 24th, 2012, 11:07 PM   #8197
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Quote:
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Where exactly has the northbound traffic been diverted during these roadworks?
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Old September 24th, 2012, 11:09 PM   #8198
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A58 and N65
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Old September 25th, 2012, 07:05 PM   #8199
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A2 's-Hertogenbosch - Eindhoven

A2 widening at Boxtel. Notice the houses on the left act as noise barriers for that neighborhood.



Last edited by ChrisZwolle; September 25th, 2012 at 07:34 PM.
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Old September 25th, 2012, 10:42 PM   #8200
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A27 Utrecht

The minister of transportation has decided to use the "selection" option to widen the A27 along the eastern side of Utrecht.

The A27 will be widened to 14 lanes along the eastern side of Utrecht (called 2x7 but it's 2+5+5+2). The Rijnsweerd & Lunetten motorway interchanges will be redesigned to handle the incredible traffic flow in this area. A27 currently already carries 200,000 vehicles per day at this section.

Apart from the A27, the A12 will also be widened to 4x3 lanes and the N230 will be upgraded to a 2x2, 80 km/h expressway along the northern side of Utrecht.

The A27 will also get a 250 meter long roof on top of the motorway, connecting the Amelisweerd area to the city of Utrecht.

Rijnsweerd:


Lunetten:


overview:

Last edited by ChrisZwolle; September 25th, 2012 at 11:28 PM.
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