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Old February 15th, 2017, 08:07 PM   #14381
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A27/A1 widening

Preparatory works will start next week on the A27/A1 expansion project between Utrecht, Hilversum and Amersfoort. This is a large PPP project that will expand A27 to six lanes and A1 to eight lanes.

Full-scale construction is planned to start in July. The expansion is planned for completion by late 2018, so the widening works will last for only 18 months.

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Old February 16th, 2017, 05:25 PM   #14382
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A6 Almere

Construction officially kicked off on A6 through Almere today. A 13 kilometer segment of the motorway will be expanded from four to eight lanes, using a local/express system (4x2 lanes). The € 300 million project will be completed prior to the 'Floriade' in 2022, which is held in Almere. It is a PPP project, so I'm guessing it may be completed earlier, perhaps even in 2020. The A1/A6 project between Diemen and Almere will also likely be completed by late 2017, while the official deadline is 2020.

Both projects are part of the Schiphol - Amsterdam - Almere € 5 billion expansion project, the largest road project in Dutch history.

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Old February 16th, 2017, 10:33 PM   #14383
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Heijmans will release a statement tomorrow morning (before the stock market opens) detailing the impact on its finances.
The N23 / N302 project will end up with a € 32 million loss for Heijmans. That's significant, the whole contract value was approximately € 200 million.

They also took a € 6 million loss on the Drachtsterweg Aquaduct in Leeuwarden (over 2016 alone, it is unclear what the total loss over the entire project is).

Heijmans is one of the largest construction companies in the Netherlands. It recorded a € 110 million loss in 2016. The revenue of Heijmans declined by 45% between 2008 and 2015, however other major construction companies saw similar declines in revenue (profit is another issue).
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Old February 18th, 2017, 07:07 PM   #14384
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A big project in the village of Zwartsluis this weekend, a drawbridge is being moved to its final position. It is part of provincial road N331 (Zwolle - Emmeloord).

The bridge replacement is part of a canal project. They are converting the guard lock into a navigational lock. This makes the canal to Meppel accessible to shipping even at high and low water levels. The 'Zwarte Water' river has varying water levels while the canal to Meppel has a fixed level. Normally this is not a problem for shipping, but when water levels at the 'Zwarte Water' are lower or higher than usual, shipping becomes impossible. The navigational lock makes shipping possible at all times.

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Old February 19th, 2017, 08:40 PM   #14385
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truck parking

Truck stops are making inroads in the Netherlands. A long-discussed truck stop appears to finally start construction off A12 at Duiven. It will be a truck stop with 230 parking spots, it is probably one of the largest in the Netherlands. It is planned to open by July 2017.

It will offer secure parking, showers, free wifi, laundry, a driver's lounge and snacks. It will charge € 20 for overnight parking.

The Netherlands is less of a transit country for trucks, so truck parking was usually limited to motorway service areas. Most parking spaces have been removed along provincial roads and truck parking is banned in residential and often also industrial areas, leaving truckers with little other options than overcrowded motorway service areas (where parking is free).

Theft of cargo is also an incentive for truckers to choose secure parking, which until recent years, was almost non-existent in most of the Netherlands.
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Old February 20th, 2017, 06:38 PM   #14386
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A27 Breda - Utrecht

Some very big news today. They announced a € 389 million replacement of three major bridges, as part of the planned A27 expansion project.

They will completely replace the Merwede Bridge, Hagestein Bridge and Keizersveer Bridge. These are all steel bridges.

Originally, it was planned to build new spans for southbound traffic only, leading to a much-lamented layout of 3 southbound lanes, but 2 to 4 northbound lanes with weird lane splits and a general messed up configuration, with lots of shoulder running.

The allocated budget of € 860 million was too low for a proper widening of such a long segment of motorway (it contains 4 major bridges). The budget is now raised to € 1.25 billion.

The deterioration and emergency truck ban at the Merwede Bridge late 2016 seems to be the direct reason to reconsider the bridge projects of A27. The Merwede Bridge is a steel arch bridge, opened in 1961. The Keizersveer Bridge is a steel truss bridge, opened in 1978 and the Hagestein Bridge is a steel girder bridge, opened 1981. The fatigue problems at the Merwede Bridge will also plague the Keizersveer and Hagestein bridges in the future, so it has been decided to replace them entirely.

Locations of the bridges:
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Old February 20th, 2017, 07:46 PM   #14387
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Good news! Is there extra money to avoid the partial fix to Hooipolder?
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Old February 21st, 2017, 03:50 PM   #14388
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A10 Amsterdam

A € 990 million contract has been awarded to the 'ZuidPlus' consortium to expand A10 through the south side of Amsterdam from 8 to 12 lanes and build a tunnel under the Amsterdam-Zuid railway station.

The ZuidPlus consortium consists of Fluor, Heijmans and Hochtief (U.S., Dutch & German respectively). It is the most expensive road project in Dutch history (based on the price per kilometer).

Construction is planned to start in 2019, and will be progressively completed until 2028. It is a very complex project, the tunnel will be constructed only 5 meters from the nearest office towers.

A render of the future Amsterdam-Zuid railway station, where A10 will be put underground:
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Old February 21st, 2017, 06:04 PM   #14389
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2016 TomTom traffic index

TomTom released its annual traffic index, also known as the travel time index (TTI). This year, the list of cities has been substantially expanded to include smaller urban areas of 100,000+.

http://www.tomtom.com/en_gb/trafficindex/

Here's a list of Dutch cities and their traffic position in Europe (1 being the worst, 215 being the best).

* 82 Haarlem 27%
* 121 The Hague 24%
* 126 Leiden 23%
* 130 Groningen 23%
* 138 Amsterdam 22%
* 151 Nijmegen 21%
* 158 Arnhem 20%
* 167 Tilburg 19%
* 174 Breda 19%
* 175 Eindhoven 19%
* 178 Rotterdam 19%
* 186 Utrecht 18%
* 192 Amersfoort 17%
* 193 Apeldoorn 17%
* 203 Almere 16%
* 209 Den Bosch 15%
* 213 Zwolle 15%

We can conclude that Dutch cities are in fact not as congested as some would guess. In particular the low ranking of Amsterdam, Rotterdam & Utrecht is surprising. Of course there are several ways to rank traffic congestion. Dutch domestic ranking usually only includes motorways and uses a different methodology.

I'm happy to live in the least congested larger city in the Netherlands and one of the least congested cities in Europe
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Old February 21st, 2017, 07:04 PM   #14390
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Here's a video of the A10 tunneling project ZuidasDok:

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Old February 21st, 2017, 10:48 PM   #14391
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A27 Keizersveer Bridge

As announced yesterday, the Keizersveer Bridge across the Bergse Maas River will be replaced by an entirely new bridge.

The bridge has an interesting history. The current bridge opened to traffic in 1978, but used recycled spans from the original Moerdijk Bridge. They used six truss spans (three in each direction) that were part of the original Moerdijk Bridge, so these spans are actually much older than 1978, but date back to 1936, so they are over 80 years old.

A recent aerial photo of the Keizersveer Bridge:


The 1978 bridge was not the first bridge at this location. Already in 1931 the first road bridge was built as a truss bridge. It was destroyed in 1940 and 1944. A27 opened in this area in 1968, but narrowed to two lanes across the bridge until it was replaced by the current bridge in 1978.

A 1930s photo of the original Keizersveer Bridge:


It is not yet known what type of bridge will be built for the replacement project, only that it will be a concrete bridge. A cantilevered box girder bridge seems like the most plausible option, as it is cheap and durable (100 year design life). But it is not yet known how they are going to build it, the river is too wide for a single span. The present bridge has two sets of piers in the water.
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Old February 22nd, 2017, 07:50 AM   #14392
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Quote:
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We can conclude that Dutch cities are in fact not as congested as some would guess. In particular the low ranking of Amsterdam, Rotterdam & Utrecht is surprising.
Don't know about this one.
Here in Groningen there was a discussion some years ago because we were top of this list in the Netherlands.
As you all proberly know, we have our traffic jams, but nothing compared to some other city's in the Netherlands.
So how come?
It seems like they compare the delay against normal situation. At least, they did back then.
So, if you're congested all day long en the difference between normal and the extra delay isnt that big, lets say 15 minutes, you proberly end up lower on this list than a city where the difference is huge between rush hour traffic, let's say 30 minutes, and the normal situation.
And with that method a city where you can happily drive most of the day can end up higher on the list than a city wich is congested all day long.

Last edited by maral; February 22nd, 2017 at 07:59 AM.
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Old February 22nd, 2017, 09:51 AM   #14393
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For example...

My city Groningen has dropped some places.
So, some people here who are involved in traffic related things are sayin, it seems like we are doing the right things. Traffic has increased, but there is less delay.
Maybe that's the case.
But it can also mean that traffic in non rush hours has increased more than it did in the rush hours.
That would mean that rush hour is as bad as it was, but the extra delay has decreased because it takes longer now to travel the same route in the non rush hours.
Then the situation looks better in this method whilst it actually got worse.
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Old February 22nd, 2017, 10:13 AM   #14394
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The TomTom Traffic Index uses the 'congestion level', the additional travel time compared to free-flow conditions. This also makes it possible to compare relative traffic congestion, so that the largest cities don't dominate the top of the list simply due to their sheer size of traffic.

The top position of Haarlem is likely due to the closure of the Velsen Tunnel (A22) and the resulting additional traffic congestion on A9, which had one of the largest increases in congestion in all of the Netherlands in 2016. However, this effect was temporary (the tunnel already reopened after a 9 month renovation) so you can expect that Haarlem won't top the list in 2017.

Though I think the Traffic Time Index is not as useful for large urban areas without many motorways. For example in London the 'free flow' (off-peak) travel times are similar to rush hour travel times in Paris (25-30 km/h) due to the lack of motorways. So the TTI would underestimate the level of congestion in London because the traffic speed is low even in non-congested periods.
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Old February 22nd, 2017, 10:27 AM   #14395
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It has its flaws...
Ghost jams in bad weather for example.
With snow hundreds of kilometers of jam in the middle of the night for example.
Proberly only a few cars on the road, but with very low speed, so that's a jam then in TomTom's mind

Reading the terms now. Did they alter it a bit?
Indeed freeflow now...I am quite sure the discussion a couple of years back was a little different in the sence that it was compared to a normal situation. And freeflow in the middle of night isn't a normal situation.
Then again, maybe the discussion in my Hometown back then was the wrong one
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Old February 22nd, 2017, 02:44 PM   #14396
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Any updated pictures of SAAone?
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Old February 22nd, 2017, 03:03 PM   #14397
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I think the best indicator of congestion would be extra travel time beyond the one when throughput is maximum (for the typical 2-lane freeway with 3m lanes, that would be a speed of 80-90 km/h).
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Old February 22nd, 2017, 08:57 PM   #14398
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Quote:
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Any updated pictures of SAAone?
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What are the names of the old and new bridges between Diemen and IJburg?
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What is the name of the A1 river crossing?
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What is the name of the Aquaduct under the river Vecht? Any pictures?
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What is the name of the A1 new arch railway bridge? Pictures please.
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Any picture of the A6 Hollandse Brug?
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Have the ecopassages for the SAAone been realised?
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Who designed the underpasses?
There is really no need for 8 separate posts.
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Old February 23rd, 2017, 03:36 PM   #14399
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There is really no need for 8 separate posts.
I suppose he needed 10 posts to be able to post photos and links.
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Old February 23rd, 2017, 03:39 PM   #14400
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Now I understand Belgium vs The Netherlands in the roads conditions but also in the way how they drive

This can explain ->bad drivers are indicator of
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