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Old November 30th, 2016, 11:05 AM   #14041
ChrisZwolle
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There are still some 20 movable bridges on the Dutch motorway system, including bridges on motorways with very high traffic volumes, as Suburbanist noted.

They could be classified as follows;

* bridges in urban environments
* bridges on low-volume motorways
* bridges on busy rural motorways

Most fixed bridges in the Netherlands are built for a 9 meter clearance above high water level. It's called the 'Rhine shipping clearance'. However some water routes are 'standing mast routes', which means they need more clearance. In the Port of Rotterdam, they would need more than 60 meters clearance in case of the Europoort, for oil rigs and other exceptional ships to pass through.

There is potential to replace some bridges with underpasses (which are called an aquaduct in the Netherlands). For example A6 at Scharsterrijn and A9 at Side Canal C. However other locations are in urban areas. Some bridges open frequently, some only rarely. It would be difficult, expensive or spatially impossible to replace all of them with aquaducts. For example the Schinkel Bridge of A10 in Amsterdam (200,000 vehicles per day) cannot be replaced by an aquaduct because there is a motorway-to-motorway interchange right next to it.
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Old November 30th, 2016, 11:59 AM   #14042
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The Schinkelbridge only has 'opening slots' during the night, making it one of the least problemcausing bridges.
Quote:
ma t/m vr 00.19-00.25
ma t/m vr 00.34-00.44
ma t/m vr 00.49-00.55
ma t/m vr 01.00-01.10
ma t/m vr 01.15-01.25
ma t/m vr 04.00-04.15
ma t/m vr 04.30-04.45
ma t/m vr 05.00-05.15
ma t/m vr 05.48-05.54
ma t/m vr 23.54-24.00
The Side Canal C bridge you mention for example is way more troublesome as it also opens during the day, pretty much immediately causing a traffic jam up to 5 kms.
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Old December 1st, 2016, 09:55 PM   #14043
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Groningen

A7/N7 in the city of Groningen, showing the N372 interchange. They opened a new road to Eelderwolde today (shown to the upper right)

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Old December 1st, 2016, 10:33 PM   #14044
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What kind of parking lot is that in the center of the picture? According to Google Maps it is P+R Hoogkerk, but I can't see any rail line nearby only buses. Do there really hundreds of car drivers change to bus?
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Old December 1st, 2016, 10:47 PM   #14045
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Groningen has a regional network of buses from P+R facilities to the city. There is another big one at Haren (A28).

P+R doesn't necessarily mean 'rail' in the Netherlands (Park& Ride).
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Old December 1st, 2016, 11:07 PM   #14046
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Quote:
Originally Posted by ChrisZwolle View Post
Groningen has a regional network of buses from P+R facilities to the city. There is another big one at Haren (A28).
Thank you.

Quote:
P+R doesn't necessarily mean 'rail' in the Netherlands (Park& Ride).
Yeah, I know very well what it means, I simply have not seen any P+R facilities anywhere in Europe in this size having only bus connection (not considering temporary facilities connected to a special event).
Either must bus lines be very effective or car traffic/parking strictly restricted in the city forcing hundreds of drivers changing to a bus.
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Old December 1st, 2016, 11:09 PM   #14047
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Hee I almost can see my house from there !
Anyhow, its pretty crowded and there are a lot of busses, in 10 minutes you are in the center of Groningen.
As a matter of fact, they are having plans to expand the parking.

Last edited by renroz; December 1st, 2016 at 11:44 PM.
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Old December 2nd, 2016, 06:17 PM   #14048
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A27 Merwede Bridge update

The Merwede Bridge (A27) near Gorinchem will reopen to trucks in the early morning of 9 December, after an almost month-long closure.

The bridge, designed in the 1950s for far less traffic than occurs today, suffers from fatigue. They have strenghtened the most critical parts.

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Old December 2nd, 2016, 08:11 PM   #14049
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Quote:
Originally Posted by Attus View Post
Thank you.


Yeah, I know very well what it means, I simply have not seen any P+R facilities anywhere in Europe in this size having only bus connection (not considering temporary facilities connected to a special event).
Either must bus lines be very effective or car traffic/parking strictly restricted in the city forcing hundreds of drivers changing to a bus.
They're grade-separating the bus route crossing a feeder route to the office buildings. It's pictured left of the underpass beneath the A7 to and from the P+R. From there on it's a decently fast and dedicated 'HOV' busline to Groningen Hoofdstation.

So yeah, it's only by bus, but the quality's a bit higher than your standard line.
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Old December 3rd, 2016, 09:02 AM   #14050
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Quote:
Originally Posted by Attus View Post
Either must bus lines be very effective or car traffic/parking strictly restricted in the city forcing hundreds of drivers changing to a bus.
.

It isn't strictly restricted in the sence you can't get to city centre or park there, you can get close enough, but the city center is a zone where it is easier tot get around by bike/bus than by car. And a zone in the real city center, the market squares, shopping district and some streets there are indeed carfree (autoluw).
Quite a big part of the town you have to pay for parking. Parking is free on P+R, you pay for the busfare alone. It doesn't take much for that to be cheaper than park in the city.
So it's used by people who commute, but also a lot by people who go shopping etc. in the city center. It's cheaper and the connections are effective.
I think there are around 3000 places on the P+R parkings at the moment and more to come.
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Last edited by maral; December 3rd, 2016 at 09:10 AM.
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Old December 3rd, 2016, 11:47 AM   #14051
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I believe the Kardinge P+R is the largest in terms of parking spots. But isn't it a multi-use parking area, also used for the Kardinge sporting facilities? The newest satellite imagery dated 14 September 2016 (a Wednesday) shows it two-thirds empty.
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Old December 3rd, 2016, 12:30 PM   #14052
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traffic developments

Just recently we discussed how fast motorway traffic is growing in the Netherlands.

Here's another graph by the Economic Instutite for the Construction Sector (EIB).

Vehicle kilometers on motorways (blue) and the high growth (light brown) and low growth (dark brown) scenarios.


Not too long ago, the high growth scenario was slammed by environmental organizations for being 'unrealistic'. The government even developed a new scenario that falls between the low and high growth scenario. But traffic is growing even faster than the high growth scenario.

It is yet to be seen if the strong traffic growth continues. Part of it is a catch-up recovery from the crisis. However other indicators are favorable for high traffic growth in the near and long-term future.

* the housing market in popular cities is becoming overheated, making housing less affordable.
* mortgage requirements are more strict, people can borrow less money than before, which means they need to find affordable housing possibly farther from their work.
* the labor market has become very flexible. People don't work 40 years for the same boss anymore.
* two-income households are the norm nowadays
* these two factors make it less likely to move closer to work.
* the share of low educated workers is reducing. The higher the educational levels, the farther they typically commute to work.
* traffic growth will be particularly pronounced in the west, central Netherlands and around various select cities elsewhere.
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Old December 3rd, 2016, 04:03 PM   #14053
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Quote:
Originally Posted by ChrisZwolle View Post
I believe the Kardinge P+R is the largest in terms of parking spots. But isn't it a multi-use parking area, also used for the Kardinge sporting facilities? The newest satellite imagery dated 14 September 2016 (a Wednesday) shows it two-thirds empty.
It is, 880. And yes shared.
Average is 68% of capacity filled on all P+R.
We've got 3200 and next year city council wants 3800 places. P+R Hoogkerk on the picture in this topic get's an additional 400 places.
And on 14 september 2016? The other ones seem to be quite empty as well, maybe the weather was to good to go by car to work and to hot for shopping with 30 degrees
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Old December 3rd, 2016, 05:57 PM   #14054
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Groningen needs a tram network but the Green party rejected the idea in 2014
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Old December 6th, 2016, 12:18 PM   #14055
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Greens who oppose rail are funny.
Its like opposing nuclear, coal, oil and gas. When it comes to renewables, they oppose new power lines for the national grid. But truly power comes out of the wall at my place, thats all that counts...
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Old December 6th, 2016, 05:09 PM   #14056
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Two MPs from the governing Liberals and Labor are actively campaigning to get road expansion projects done that are not on any priority lists.

Today, parliament passed a motion to expand a short segment of N50 at Kampen to 2x2 lanes. This stretch is prone to daily congestion and severe crashes, but wasn't on any priority list. The cost for the national government is a mere € 5 million. The tug-of-war that raged for years between the regional governments and the national government to come up with the € 5 million funding is just plain embarrassing.

Also, they are putting forward a motion that would expand A15 between Papendrecht and Gorinchem to six lanes. This is a highly congested stretch of motorway, but for some reason wasn't identified as a bottleneck in the capacity analysis of the Dutch motorway network. There are long (10-15 km) traffic jams on this stretch on a daily basis. Originally, only a 3 km extension of the shoulder lane was planned, eastbound only.

The lobby also succeeded in getting funding for the upgrade of the N35-N348 intersection in Raalte. It will be upgraded to a 2x2, controlled-access highway profile, plus an N348 tunnel under the railroad.
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Old December 6th, 2016, 05:13 PM   #14057
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Let's see how road building influence or not the election debates in 2017!
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Old December 6th, 2016, 09:45 PM   #14058
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N451 + N457 Gouda

New provincial roads around A12 and A20 near Gouda will open to traffic on 23 December.

N451 is a new provincial road parallel to A12, it crosses the Gouwe River via the Amalia Bridge. Traffic from Gouda can enter A12 west of the Gouwe motorway interchange, so it doesn't have to weave with traffic going to A20.

N457 is a new link from A20 to A12, which provides the movements that the Gouwe interchange lacks (it is a split).

Both N451 and N457 are re-used numbers from earlier provincial roads that were transferred to municipalities. N451 ran near Noordwijk and N457 ran near Zoetermeer. Both N451 and N457 are four lane, 80 km/h roads.

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Old December 6th, 2016, 11:18 PM   #14059
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Quote:
Originally Posted by ChrisZwolle View Post
Two MPs from the governing Liberals and Labor are actively campaigning to get road expansion projects done that are not on any priority lists.
...

The lobby also succeeded in getting funding for the upgrade of the N35-N348 intersection in Raalte. It will be upgraded to a 2x2, controlled-access highway profile, plus an N348 tunnel under the railroad.
Is this only for the most westly interchange? Or also for the connection with direction Ommen?
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Old December 7th, 2016, 01:56 AM   #14060
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Quote:
Originally Posted by belerophon View Post
Greens who oppose rail are funny.
Its like opposing nuclear, coal, oil and gas. When it comes to renewables, they oppose new power lines for the national grid. But truly power comes out of the wall at my place, thats all that counts...
Why that? If the cost to environment is large and benefit to people is low, should oppose no matter what it is.

Of course, if no power is coming from the Schuko, then, benefit to people is large
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