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Old July 7th, 2017, 09:12 PM   #14721
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But still, those lean very hard on the already overcrowded local ring roads. It will spread some of the traffic more evenly, but it still is far from enough.
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Old July 7th, 2017, 09:19 PM   #14722
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Amsterdam has bypasses on the west (A5) and south (A9) side. Rotterdam doesn't have that feature, and it relies heavily on the two major river crossings, the Van Brienenoord Bridge (A16) and Benelux Tunnel (A4). In case of Amsterdam, there are more tunnels nearby (A9, A22).

So the Rotterdam traffic system is more vulnerable. The Van Brienenoord Bridge is one of the busiest bridges in Europe and traffic volumes are forecast to grow over 280,000 vehicles per day. Rotterdam needs more river crossings, one in eastern Rotterdam (west of A16) and one to Krimpen (east of A16) to relieve the bridges and make the network more robust.

The A24 Blankenburg Tunnel will help this situation on the west side of Rotterdam, but plans for an 'N38' east of Rotterdam have never been very serious apparently. It would also help to decongest the Algera Bridge (N210) between Capelle and Krimpen which has one of the highest I/C levels in the Netherlands (I/C is the intensity vs capacity ratio).
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Old July 7th, 2017, 10:51 PM   #14723
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The ministry of transportation also released an overview of future projects and discussed projects;

First, the goal to open 717 kilometers of new motorway lanes during the Rutte II cabinet has been achieved with the completion of the A50 expansion.

Recent developments regarding future motorway projects which are not yet formally in procedure:

A1/A30 Barneveld
A motion has passed to start a study for the A1/A30 interchange near Barneveld. This is not a decent standard motorway-to-motorway interchange. The study will be completed by late 2018.

A15 Papendrecht - Sliedrecht
An intergovernmental agreement has been signed for the funding of a small A15 upgrade project east of Dordrecht, they will expand the motorway to three lanes with a shoulder from Papendrecht to Sliedrecht-Oost. Earlier plans only included shoulder lanes. The budget has been raised to € 15.4 million.

Ideally there would be a large-scale six-laning project from Papendrecht to Gorinchem but that's not on the table yet.

A2 Weert - Eindhoven
A study has been completed confirming A2 is a congestion spot between Weert and Eindhoven. A complete six laning was wished for by regional governments, but it has been determined that there are more important priorities right now, so there won't be any six-laning for the time being. The option is not off the table however.

A4 Den Haag
A detailed design is being worked on for the A4 expansion at Den Haag (The Hague). This is the busiest segment of motorway in the Netherlands. The plan calls for additional lanes to connect the exits of A4 to Den Haag and suburbs. However there are substantial design challenges along this route. A draft plan will be completed by late 2019. Funding becomes available in 2023.

A4 Leiden
A4 Leiden remains one of the largest bottlenecks in the Netherlands due to the failed and undersized local/express system. A study showed that the issue could only be addressed properly by expanding the entire motorway from Den Haag to the Burgerveen interchange (A44).

Procedures have formally started to build one additional lane in each direction from Leiden to Burgerveen. There will be mostly 2x4 lanes after completion, with 2x3 through lanes at the local/express system at Leiden. € 50 million has been allocated for this expansion project. This can be done cheaply because all bridges have space for 5 lanes each way, with many already having foundation and some pavement for a future expansion. Elsewhere the median can easily be paved over. 2x5 lanes is not considered right now, but 2x4 lanes is.

The Den Haag - Leiden segment will also be expanded to 2x4 lanes, this plan has already been approved and construction will commence next year.

A27 Houten - Hooipolder
The A27 Houten - Hooipolder is one of the longest distance expansion projects in the Netherlands. It covers some 46 kilometers of motorway. However budget is tight and most of the capacity expansion will be in the form of shoulder lanes right now. Most of the € 1 billion budget has been allocated to bridge replacement (with higher capacity bridges). There are three steel bridges across major rivers that are planned to be replaced early to avoid additional works in 20 years or so. They will be replaced by concrete bridges. This change in scope results in some delay for the project however, how much is yet unclear.
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Old July 10th, 2017, 04:15 PM   #14724
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bridge condition in the Netherlands

The ministry of transportation released an overview of bridge condition and deferred maintenance. They list major crossings over 200 meters in length. There are 70 of them that carry the main motorway network.

They applied two types of static calculation, a brief calculation of the main span and a more thorough calculation of the entire structure. The brief calculation showed that no bridge is in poor condition and no restrictions are necessary.

31 bridges need no thorough static calculation. 39 bridges will undergo a thorough calculation, though it is expected that 14 of them will not require any work. 25 bridges likely need strengthening and / or renovation within the next 15 years. No short term work is expected on these bridges, they were already part of a monitoring program. No bridges are expected to need replacement out of static grounds, but some will be replaced due to being functionally obsolete (lack of capacity).

45 out of 70 bridges have minor deferred maintenance. This deferred maintenance is not related to the structural integrity or traffic safety, but minor issues such as loose banisters in the mechanical room. Normally this kind of stuff doesn't reach parliamentary debate or the media, but there is increased scrutiny due to the temporary truck ban at the Merwede Bridge (A27) last year. The deferred maintenance ranges from a few thousand euros to just over € 1 million, for example to replace noise barriers on bridges.
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Old July 10th, 2017, 06:02 PM   #14725
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This is good news. People living in Köln will be relieved, knowing that for many years to come, when travelling to Düsseldorf, they can safely cross the river at Nijmegen.

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Old July 10th, 2017, 07:34 PM   #14726
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A1/A50 Knooppunt Beekbergen

The new flyover at the Beekbergen motorway interchange (A1/A50) near Apeldoorn is almost completed. They will build the final connections next weekend.

The works lasted from 6 September 2016 to 17 July 2017, so a good 10 months.

They built a viaduct for Deventer to Arnhem traffic, and they also built new ramps for Zwolle to Deventer traffic, as this collector lane was in the way of the new flyover ramp.

A late May 2017 photo:
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Old July 11th, 2017, 05:48 PM   #14727
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They sometimes employ mobile lane signalling devices for short-term works with lane closures on the Dutch motorway system. It's called a 'Mobiele Rijstrook Signalering' (MRS) in Dutch. They come with an attenuator and are used whenever there is no motorway traffic management (MTM) on the motorway, these are typically lower volume motorways in the periphery. These devices weigh some 10 tons.


http://www.tsned.nl/producten/mrs

A car crashed into one today on A1 near Markelo.


http://www.rtvoost.nl/nieuws/272549/...ewonden-update
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Old July 11th, 2017, 10:43 PM   #14728
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N279 Veghel - Helmond - Asten

The provincie of North Brabant has selected the preferred alternative for the N279 upgrade from Veghel to Asten.

The preferred alternative;
* mostly two-lane express road (speed limit is not mentioned, might be 80 km/h)
* grade-separated from Veghel to but not including the A67 interchange
* four lane at-grade through Veghel
* new alignment around Dierdonk (a neighborhood of Helmond).

It will be built in such a way that a future four-laning would be possible without exorbitant cost at overpasses and bridges.

A map detailing the project (ongelijkvloerse aansluiting means grade-separated interchange):

N279 by European Roads, on Flickr

This project has a complex history. As recent as 2014 it appeared that N279 would become a part of the Eindhoven Ring Road and as such would be built as a four lane expressway, combined with a new east-west link from A50/A58 to N279. In late 2014, parliament voted to remove funding for this project, leaving it to the province. It was a hot topic during the 2015 provincial election, and although the pro-roads VVD stayed in power, other parties did not and they decided not to pursue the Eindhoven Ring Road.

However they still want to upgrade N279, but the scope has been reduced to a mostly two-lane road. A greenfield bypass of Veghel was ruled ineffective and expensive, leading to the somewhat unusual plan to four-lane N279 right through Veghel, expanding its function as a road for through traffic. Space is quite tight here.
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Old July 12th, 2017, 07:56 AM   #14729
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Quote:
Originally Posted by ChrisZwolle View Post
* N33 Zuidbroek - Appingedam 2x2 lane expansion: draft plan approval Q2 2018, 1 year delay due to European tender changes
So this timeline isn't accurate anymore?

https://www.rijkswaterstaat.nl/wegen...en-aanpak.aspx
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Old July 12th, 2017, 10:43 AM   #14730
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The plan approval has been delayed, but it appears that the overall construction timelime remains unchanged for now. Though they generally calculate more construction time than will actually be needed. Some projects were scheduled to be constructed over a 3-4 year timespan, but were actually completed in 1.5-2 years. They have some wiggle room in the planning of projects.

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Old July 12th, 2017, 11:33 AM   #14731
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Quote:
Originally Posted by ChrisZwolle View Post
A car crashed into one today on A1 near Markelo.

[img]
Rule #1 of basic obstacle avoidance: if you don't want to hit something, don't look at it.
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Old July 13th, 2017, 02:30 AM   #14732
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I wonder if that crash makes those devices more or less safe than a simple portable "lane ends 1 km" and "merge now" sign on a stick...
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Old July 13th, 2017, 04:48 PM   #14733
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A6/A7 Knooppunt Joure

The first beams were placed at the new Joure motorway interchange flyovers. It attracted an audience.


JDR_9706 by Fotosite Knooppunt Joure, on Flickr


JDR_9738 by Fotosite Knooppunt Joure, on Flickr


JDR_9683 by Fotosite Knooppunt Joure, on Flickr


JDR_9667 by Fotosite Knooppunt Joure, on Flickr
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Old July 13th, 2017, 05:01 PM   #14734
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That's a Saturday night out in Joure.
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Old July 13th, 2017, 06:46 PM   #14735
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I think they should have changed some temporary highway furniture to match the "100 years of De Stijl" mood in the country, with some Mondriaan-esque painted bridges, for instance.
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Old July 13th, 2017, 07:23 PM   #14736
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We've got the victory-boogie-woogie tunnel.. I think that is enough and over the top. We didn't make a Nachtwacht-Highway in the Rembrandt year either.
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Old July 14th, 2017, 11:11 AM   #14737
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I'm so sick of the colorful squares, they're frigging everywhere. It's like the whole country has come down with a case of autism.
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Old July 14th, 2017, 05:07 PM   #14738
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Quote:
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I'm so sick of the colorful squares, they're frigging everywhere. It's like the whole country has come down with a case of autism.
So you don't like all the tall buildings with square colors in the façade and public buildings with Amsterdam-style typeface signs for the special De Stijl year?
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Old July 14th, 2017, 06:06 PM   #14739
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So you don't like all the tall buildings with square colors in the façade and public buildings with Amsterdam-style typeface signs for the special De Stijl year?
This is cute for one building. Not. Frigging. Everywhere.
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Old July 14th, 2017, 06:12 PM   #14740
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Minister prefers tunnel instead of bridge over the IJ in Amsterdam

Source

They prefer a pedestrian/cycling tunnel solution to connect Amsterdam Noord with the rest of the city.

A bridge would need 11m clearance over high tide and could be too uncomfortable to cycle.

I think they should have:
(1) planned a cycling tunnel alongside the new metro line
(2) planned a new road tunnel west of the train station
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