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Old January 27th, 2016, 10:04 PM   #13281
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Speaking of which, when was the acquaduct in Alphen a/d Rijn built?

Another project in the region that could be helpful is linking N206 and N207 in Lisse or connecting N206 with N205 in Hoofdoorp. The pipe dream would be expand N206 into an expressway an bringing it to Haarlem.
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Old January 27th, 2016, 10:11 PM   #13282
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The aquaduct at Alphen was built in 1998.
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Old January 29th, 2016, 04:00 PM   #13283
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A9, Amsterdam

Works on the new 3 kilometer long Gaasper Tunnel in Amsterdam.



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Old January 29th, 2016, 04:10 PM   #13284
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What's the altitude of the lowest point in the tunnel? The area around Schiphol is up to -6m a.s.l.
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Old January 30th, 2016, 02:22 PM   #13285
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A swing bridge at the Afsluitdijk (enclosure dam) at the Friesland side is malfunctioning. This means a significant detour, for example from Den Helder to Harlingen the closest alternate route is 200 kilometers long versus the regular 65 km.

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Old January 30th, 2016, 02:28 PM   #13286
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Road is closed only from the point of the malfunctioning bridge? So traffic has to turn around?
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Old February 1st, 2016, 04:10 PM   #13287
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A4 section control

Section control or average speed measurement has been reinstated on the A4 motorway south of Amsterdam, between Hoofddorp and Nieuw-Vennep. The average speed is measured for 4.8 km in the direction of The Hague and 2.5 km in the direction of Amsterdam. The speed limit is 130 km/h day and night.

This is the first section control in the Netherlands where a 130 km/h speed limit applies. Section control was formerly mostly used to enforce low speed limits.
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Old February 1st, 2016, 04:19 PM   #13288
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Please remind me, which tolerance % is applied?
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Old February 1st, 2016, 04:33 PM   #13289
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They correct 3% at speeds over 100 km/h. However, on motorways with a 130 km/h speed limit, they will ticket you from 1 km/h too fast, instead of the usual 4 km/h. Still, you can drive 140 km/h on the speedometer of most cars before getting fined. And this stretch isn't known for the high driving speeds (bar a few speed junkies), so it remains to be seen whether this stretch of section control will actually result in meaningful revenue.
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Old February 1st, 2016, 05:39 PM   #13290
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Buitenring Parkstad Limburg

A nice photo of the new regional expressway around the Heerlen conurbation in southern Netherlands. The project is known as the Buitenring Parkstad Limburg.

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Old February 4th, 2016, 08:51 PM   #13291
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A15 Rotterdam

The A15 'Maasvlakte - Vaanplein' or 'MaVa' project was officially inaugurated today. The project expanded the A15 motorway along the southern side of Rotterdam. They expanded it mainly from six to ten lanes, with a local/express system between Spijkenisse and the Vaanplein motorway interchange (A29). Traffic congestion was reduced by 60% compared to 2011, before the project started.



It is the most complex local/express system in the Netherlands, it features three motorway-to-motorway interchanges, numerous exits and a particular complex situation around the Benelux motorway interchange (A4).

They built a new four-lane, 100 km/h Botlek Bridge to replace the antiquated 50 km/h Botlek Bridge. The new bridge is part of the motorway and complements the six-lane Botlek Tunnel. The new Botlek Bridge has seen over fifty malfunctions since it opened in mid-2015, however the number of incidents seems to have been reduced in recent months.

They built left shoulder lanes between Spijkenisse and the Thomassen Tunnel. This portion would've been extraordinarily expensive to widen outside its retaining walls due to the presence of numerous pipelines. Due to the fact that there are many chemical plants and refineries in the Port of Rotterdam, a continuous right shoulder had to be preserved in case of a major incident.


Photo by De Fotograaf
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Old February 5th, 2016, 05:13 PM   #13292
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speed limits

The speed limits have been raised to 130 km/h today on the following stretches. A 130 km/h speed limit now applies to 61% of the motorway network. The goal is to introduce 130 km/h on 77% of the motorway network.



Some more stretches will be raised in the near future.

The A2 Holendrecht - Vinkeveen (south of Amsterdam) will be raised to 130 km/h between 19h and 6h, starting in May. This means you can drive 130 km/h from Amsterdam to Utrecht between those hours. It eliminates a stretch with a different speed limit. A permanent 130 km/h speed limit is being studied.

The speed limit on the easternmost stretch of A12 will also be raised to 130 km/h (day and night) from Duiven to the German border.
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Old February 5th, 2016, 09:13 PM   #13293
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Why isn't the A4 near Steenbergen included?
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Old February 6th, 2016, 10:32 AM   #13294
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Probably because it was just recently completed and they don't want to 'upset' people with raising the speed limit a year after it opened. Similar to the A2 Amsterdam - Utrecht saga.

The Botlek Bridge (A15) near Rotterdam at night:

Botlekbrug @ night by Mark van der Meer, on Flickr
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Old February 8th, 2016, 02:20 AM   #13295
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Quote:
Originally Posted by ChrisZwolle View Post
Works on the new 3 kilometer long Gaasper Tunnel in Amsterdam.

Do you have a plan of the tunnel?
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Old February 8th, 2016, 11:52 AM   #13296
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http://www.openstreetmap.org/#map=15/52.3064/4.9713
between the rail lines and the Weesp exit(1)
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Old February 8th, 2016, 02:00 PM   #13297
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Nice !
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Old February 8th, 2016, 03:35 PM   #13298
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The Gaasp Tunnel / Gaasper Tunnel is somewhat peculiar, it will be the longest land tunnel in the Netherlands, yet there was almost no public discussion about it. They just presented it as a part of the Schiphol - Amsterdam - Almere (SAA) megaproject and the need or cost/benefit wasn't really discussed much.

I think it's a bit over the top to construct such a long and complex (5 tubes) tunnel. The area where it runs through has a spatial planning with apartment buildings set apart by large open corridors and a park-like character that didn't work out very well in terms of demographics and crime. The A9 corridor is mostly 200 - 250 meters wide between the buildings, which is quite generous for an urban motorway. It could've been built without the tunnel. This will just be another empty open space, in a neighborhood that isn't exactly lacking that.

This project has a huge budget (€ 5 billion) and they didn't cut corners on capacity, mitigation or design standards. The whole thing was accepted very easily.
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Old February 8th, 2016, 04:08 PM   #13299
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A9, Badhoevedorp

The new A9 around Badhoevedorp is already significantly progressed, the first layers of asphalt are already poured. It will open in a few months for traffic from Haarlem towards Schiphol, so they can make room in the existing Badhoevedorp cloverleaf to reconstruct the interchange. It won't be a mainline opening, you won't be able to continue to A9 yet.



Bridgeworks across the A4:

Untitled by Wegenrein, on Flickr
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Old February 8th, 2016, 09:51 PM   #13300
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NRC has a pretty cool visualisation of the effects on traffic flows of the newly opened A4 Midden-Delfland.
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