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Old October 15th, 2010, 04:53 PM   #4661
ChrisZwolle
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A4 Amsterdam - Den Haag

A fairly impressive project is the construction of exit 3a, Hoofddorp-Zuid, with a C/D system between 3a and 3 (Hoofddorp). Exit 3 will also be moved south, to connect to the current U/C realignment of the N201 highway, the busiest non-motorway in the Netherlands.

This means there will be 14 lanes near Hoofddorp. Further plans foresee a complete C/D system between interchange Burgerveen (A44) and interchange De Hoek (A5), going from 10 to 14 lanes over 8 kilometers. This ultra-wide rural motorway will substitute older plans for more motorways in the region that never came into fruition, like A22 between Haarlem and Leiden and A3 from Amsterdam to Gouda. Calling off these plans doesn't mean the traffic wouldn't be there. The current rural volumes are 180.000 vehicles per day, and are forecast to grow to 250.000 vehicles per day in 2020, mainly due to the ever-expanding activity in and around Schiphol Airport, and the continuous expansion of the city of Hoofddorp.



A render of the widening works of A4 currently in progress. Because the exit Hoofddorp will be relocated, they will build additional C/D lanes, to widen the whole thing from 10 to 14 lanes.

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Old October 15th, 2010, 08:32 PM   #4662
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There are also plans for a new tunnel under the Maas River in the Port of Rotterdam area. The current westernmost fixed link is the Benelux Tunnel, almost 30 kilometers inland. The area is extremely industrialized with the largest industrial area in Europe. Port expansions require additional routes under the Maas River, to connect A15 with A20 west of Rotterdam.

Currently, there are two options, the Blankenberg Tunnel, not far west of the Benelux Tunnel, and the Oranje Tunnel, further west. Opponents of these tunnel fear it would create another motorway south of Den Haag, namely the A54 from Delft to the Oranje Tunnel. Quite frankly, the A54 is badly needed, but the area is completely build-up with greenhouses.

There is currently no funding available for either tunnel, but the port of Rotterdam announced they are willing to take risk in a PPP construction.

Locations:


A54:
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Old October 15th, 2010, 10:11 PM   #4663
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Quote:
Originally Posted by ChrisZwolle View Post
A4 Amsterdam - Den Haag

There's no left shoulder lane?

Last edited by PLH; October 17th, 2010 at 07:33 PM.
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Old October 19th, 2010, 01:39 PM   #4664
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Alarming news - € 2,5 bln. cut from transport infrastructure building budget

New government’s traffic jam-busting plans hit by gas sales plan

The new government’s plans to build new roads and invest more money in the railways are in doubt because of a potential lack of money, the Telegraaf reports on Monday, quoting sources in The Hague.
For years, major spending on the infrastructure has been funded by natural gas sales via a special budget known as the FES fund.

But the new government agreement states that the money held by the FES fund is to go directly to the treasury instead. That means effectively up to €3bn a year will be cut from transport ministry spending, the paper says.

The government agreement sets aside an extra €500m for spending on the roads but insiders told the paper that will not last long.

‘Combating congestion will grind to a halt,’ said Labour MP Diederik Samsom.
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Old October 19th, 2010, 04:25 PM   #4665
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Mr. Samsom himself is one of the reasons we have so many traffic jams. His stance is generally anti-roads.
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Old October 19th, 2010, 04:41 PM   #4666
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Indeed, I am very skeptical about an article which is based on "some sources and insiders in The Hague" and used by Mr.Green Mr.Samson to criticize the new government agreement.
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Old October 19th, 2010, 07:46 PM   #4667
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Some pictures of the A2, near Eindhoven and the A58 till Tilburg

Album: http://www.xs4all.nl/~egavic/ASN/19-...bum/index.html

Some pictures from that album:








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Old October 20th, 2010, 09:20 PM   #4668
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A2 Eindhoven - Valkenswaard

The A2 was widened in a record 69 days from 2 to 3 lanes between interchange Leenderheide and Valkenswaard (6 km). These works were carried out to prevent traffic jams on A2 to get back on the newly widened A2/A67 around Eindhoven. The 3 lanes will be available from October 24th. The works started on August 16th.

A similar project is being carried out on A58 between interchange Batadorp and Oirschot.

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Old October 25th, 2010, 02:22 PM   #4669
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Newly widened A2 Eindhoven - Valkenswaard:

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Old October 25th, 2010, 04:27 PM   #4670
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That was pretty fast. Why is it widened only on one side? Netherlands has a lot of money for infrastructure, it seems.
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Old October 25th, 2010, 04:32 PM   #4671
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The only purpose of this three-lane section is to prevent traffic congestion on the Randweg Eindhoven (bypass of Eindhoven). Ideally, the A2 would be widened to 2x3 lanes until Weert.
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Old October 26th, 2010, 07:31 PM   #4672
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Some history;

In 1942, construction of the A12 between Utrecht and the German border commenced. This was seen as an important route by the German high command, and was one of the few major road projects that continued in 1942 in Europe. It was heavily bombed by the Allied Air Force during World War II. Works were 50% completed in 1943, but was halted between the IJssel River and Zevenaar.

Near Arnhem, the Velperbroek traffic circle opened in 1961. A12 traffic had to use the traffic circle to continue east. In 1964, the second IJssel Bridge was opened to traffic, and the A12 was more or less a continuous motorway from The Hague to the German border. However, the A12 fly-over over the traffic circle didn't open until late 1986. A third IJssel River Bridge was opened around 1990, carrying 8 lanes of traffic, out of which 4 are through lanes.

Here's an aerial view of the Velperbroek Interchange as it is today. The hill on the top-left corner used to be a landfill. East is the upper side of this picture.
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Old October 26th, 2010, 09:03 PM   #4673
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I didn't knew that The Netherlands still had this type of crossings, I thought only Belgium had the last one remaining...But it isn't exactualy like the Lummen interchange is it?
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Old October 26th, 2010, 09:20 PM   #4674
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Traffic circles (basically giant roundabouts, often controlled with traffic signals) used to be a popular way in the 1950's and 1960's to connect motorways and major roads.

Some of them, like interchange Oudenrijn, interchange Deil, interchange Heerenveen and interchange Hoevelaken, have been converted to cloverleafs or other interchange forms decades ago, but some still exist.

Here's an overview:

Interchange Joure: A6-A7 - most substandard motorway-to-motorway interchange in the country.


Interchange Leenderheide: A2-A67 - recently got a new bypass for A2 traffic. Local traffic still has to follow the traffic circle.


Interchange Velperbroek: A12-A348-N325. The A12 is the only free-flowing connection. A348 and N325 terminate here.


Exit Zwolle-Zuid: A28-N331-N337. The most important motorway exit in Zwolle.


Exit Utrecht-Hoograven: A12-local roads. Probably the busiest traffic circle in the Netherlands.


Interchange Rottepolderplein: A9-A200. The only example of a motorway-to-motorway roundabout interchange where both motorways are free-flowing. Common in the United Kingdom.


There are a few in the Rotterdam area as well.
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Old October 27th, 2010, 01:13 PM   #4675
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Aquaducts!

The Netherlands is also known for its aquaduct or aqueducts, roads that run underneath water bodies. They are not the same as tunnels, which may also run underneath rivers or water bodies.

A12: Gouwe Aquaduct, opened 1981. 154.000 vehicles per day. Busiest in the Netherlands.


A20: Cortlandt Aquaduct, opened 1984. 99.000 vehicles per day. One of the smallest in NL.


A4: Gaag Aquaduct, opened 1999. 27.000 vehicles per day. Prepared for 6 lanes.


A4: Ringvaart Aquaduct, opened 1961. 107.000 vehicles per day. A widening with a second aquaduct is almost completed.


Second Ringvaart Aquaduct, opened 2010:
image hosted on flickr

A4-11-8-2010-8 by Chriszwolle, on Flickr

N302: Aquaduct Veluwemeer. 28.000 vehicles per day, opened 2002.


N302: Naviduct Enkhuizen, opened 2003.




The Friesland province is especially full of aquaducts, due to the large number of lakes, rivers and canals which see a lot of recreational shipping in the summer.

N354: Jeltesleat Akwadukt, opened 2007
image hosted on flickr

IMG_1034 by Chriszwolle, on Flickr

N7: Geau Akwadukt, opened 2008


N924: Ie-Akwadukt, opened 2007


N31: Langdeel Aquaduct, opened 2008


A32: Leppa-akwadukt, opened 1996


A32: Aquaduct Mid-Fryslân, opened 1993


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Old October 27th, 2010, 10:05 PM   #4676
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I still think they shoul;d demolish the old Ringvaart Aquaduct and build a new one that is propperly prepared for more then 3 lanes, like 5 orso like the new one, and looks better to
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Old October 27th, 2010, 10:10 PM   #4677
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Yes, the new aquaduct has space for 5 lanes - conform other structures on A4 between Amsterdam and The Hague (like the new Oude Rijn aquaduct and the HSL underpass, which all have space for 2x5 lanes). The old aquaduct will be retrofitted with 3 lanes, divided into 2+1 lanes. It has been reported they will complete these works by next weekend, effectively eliminating one of the worst bottlenecks in western Netherlands.

It will take until 2014 though, until the 2 new aquaducts near Leiden (Oude Rijn aquaduct) are completed. The first one will be in operation by 2012, temporarily operating in both directions while the old drawbridge is demolished and the second aquaduct is completed, thus full 2x3 capacity will be in operation by 2014.

It will be relatively easily possible to widen the A4 to 2x5 lanes from Amsterdam to The Hague. The only problem is that you need to build a new Ringvaart Aquaduct (the old one from 1961 has 2x2 lanes with pillars in the median which cannot be removed).
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Old October 27th, 2010, 10:13 PM   #4678
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Quote:
Originally Posted by ChrisZwolle View Post
Traffic circles (basically giant roundabouts, often controlled with traffic signals) used to be a popular way in the 1950's and 1960's to connect motorways and major roads.

Some of them, like interchange Oudenrijn, interchange Deil, interchange Heerenveen and interchange Hoevelaken, have been converted to cloverleafs or other interchange forms decades ago, but some still exist.

Here's an overview:
Thanks Chris
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Old October 29th, 2010, 01:55 PM   #4679
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Is this a metal center barrier in the shape of a concrete one?
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Old October 29th, 2010, 03:29 PM   #4680
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That's correct. They're mostly used as temporary barriers during roadworks though.
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