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Old January 19th, 2017, 01:44 AM   #14261
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Quote:
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Certainly not in certain specific environments like motorways or dedicated lanes.
This has more or less already been accomplished, making it semi-autonomous. As for the fast charging, I know Porsche is working on an 800V system for their Mission-E electric vehicle which will hit the market in 2020. The 800V ensures 80% (± 550 km range) charge in just 15 minutes. The newly set up cooperation between BMW, Daimler and Volkswagen is also promising regarding charging infrastructure, let's see where that will take us in the next 10 years.

Technology moves fast indeed, but I also think it's a very uncertain era. Some things will move faster, others will develop slower than initially thought. Therefore we shouldn't get ahead of ourselves. The autonomous driving technology will take its time, and events such as autopilot crashes are just the beginning of a few bumps in the road. Heck, I think Trump will find an excuse to delay autonomous advances to save American jobs
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Old January 19th, 2017, 03:16 PM   #14262
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A12/A27 Utrecht

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Very good news, the final plans of the A12 / A27 upgrade in Utrecht have been approved today. Transportation minister Schultz signed the final environmental impact assessment, it will be published on 19 January.

The plans have been published today;

all documents: http://platformparticipatie.nl/proje...it/documenten/

Schematics: http://platformparticipatie.nl/Image...318-381064.PDF
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Old January 19th, 2017, 03:20 PM   #14263
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A10, Amsterdam

The 'Zuidasdok' project (A10 expansion in Amsterdam) has been conditionally awarded to a consortium called 'ZuidPlus', consisting of Fluor, Heijmans & Hochtief.

It is a design-build contract with a value of € 990 million (including 7 years of tunnel maintenance).

Construction is planned to start in 2019, and will be completed in phases until 2028.

The project consists of a tunnel for A10 with 12 lanes, the reconstruction of the Nieuwe Meer and Amstel motorway interchanges and the expansion of the Amsterdam-Zuid railway station.
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Old January 19th, 2017, 03:35 PM   #14264
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Quote:
Originally Posted by Ni3lS View Post
This has more or less already been accomplished, making it semi-autonomous. As for the fast charging, I know Porsche is working on an 800V system for their Mission-E electric vehicle which will hit the market in 2020. The 800V ensures 80% (± 550 km range) charge in just 15 minutes. The newly set up cooperation between BMW, Daimler and Volkswagen is also promising regarding charging infrastructure, let's see where that will take us in the next 10 years.

Technology moves fast indeed, but I also think it's a very uncertain era. Some things will move faster, others will develop slower than initially thought. Therefore we shouldn't get ahead of ourselves. The autonomous driving technology will take its time, and events such as autopilot crashes are just the beginning of a few bumps in the road. Heck, I think Trump will find an excuse to delay autonomous advances to save American jobs
It takes enormous power to be able to charge quickly. Lets forget about the losses.

If we take some 15 kWh per 100 kms as consumption of an ev we need to store some 75 kWh for 500 kms reach.

If we would like to charge this battery in e.g. 10 minutes, we need 750 kW power line for this single vehicle. Simultaneous charging of e.g. 120 vehicles within one hour would than require 15 MW of power available to that charging station.

You can see that one nuclear power plant with output of 3000 MW would be able to simultaneously charge some 4 000 vehicles, if we require them charged within 10 minutes.


Lets look at it from the other side. Lets say that we need to charge some 2 million vehicles overnight (in 10 hours) to 75 kWh. We need to be providing some 7.5 kW x 2 million power to them. That is 15 GW available to us overnight. Some 5 nuclear power stations running.
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Old January 19th, 2017, 10:43 PM   #14265
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ZOAB cleaner

ZOAB is the Dutch acronym for porous asphalt. If there is a large spill, the fluids or material pours into the asphalt, making it difficult to clean with conventional methods. This is where the ZOAB cleaner comes in. It can clean the porous asphalt, so it keeps it drainage and noise-reducing properties.

It is used both after incidents and for regular periodic maintenance to keep the porous asphalt... porous.

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Old January 20th, 2017, 11:20 AM   #14266
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So you put down some sand to soak up any liquids and then you run a large vacuum cleaner over it to remove the sand..?

Simple but effective.
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Old January 20th, 2017, 01:26 PM   #14267
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Isn't porous asphalt problematic during winter? Or NL climate isn't cold enough for that?
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In real life, electronic toll collection was first introduced in Bergen, Norway in 1986, and well into the 21th century many countries still struggle to implement it.
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Old January 20th, 2017, 03:41 PM   #14268
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It isn't. We have less severe winters that many parts of Italy. Snowfall is extremely rare, so are freezing temperatures.

Our winters are comparable to Southern England; lots of rain (sometimes the occasional storm) but nothing shocking.
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Old January 20th, 2017, 03:50 PM   #14269
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Snowfall is extremely rare, so are freezing temperatures.
Freezing temperatures aren't rare. During the day maybe, but during the night is pretty common. Below something like -7 during the night is where it gets pretty rare. Certainly in the east of the country. The west of the country with more influences from the sea is a bit less cold.
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Old January 20th, 2017, 04:33 PM   #14270
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The freeze-thaw cycle tends to create potholes in porous asphalt that is nearing the end of its service life. Also, salting is somewhat less effective because the brine partially ends up below the driving surface.

Salting starts as a preventive measure (i.e. before it becomes icy). In that case, porous asphalt requires approximately twice the amount of salt compared to dense pavement, usually 15 - 20 g/m² instead of 7-10 g/m².
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Old January 20th, 2017, 05:25 PM   #14271
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Quote:
Originally Posted by Slagathor View Post
It isn't. We have less severe winters that many parts of Italy. Snowfall is extremely rare, so are freezing temperatures.

Our winters are comparable to Southern England; lots of rain (sometimes the occasional storm) but nothing shocking.
Last time with some freezing rain, couple weeks ago, we had >400 accidents, belgium on the same day with roughly the same weatherconditions 22.
So, dont know if it is "it isn't" . But is doesn't happen that often due to lack of winterweather.
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Old January 20th, 2017, 05:32 PM   #14272
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Lower Saxony (Niedersachsen) had over 700 accidents that day.
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Old January 21st, 2017, 08:30 AM   #14273
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They also had 'more weather'.
Remained colder for al longer time, more percipitation wich formed more ice on the roads, more hours with the disruption.

But also a lot of course. But that number seems to be all accidents on all the different roads. Belgium and Netherlands (476) numbers are only the higway accidents.
To be fair, registration isn't the same in the different countries.
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Old January 21st, 2017, 10:29 AM   #14274
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The Dutch figures are probably inflated compared to other countries / regions, as they counted all incidents which required a tow truck, including non-accidents such as people spun out on the side of the road and getting stuck.
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Old January 21st, 2017, 06:35 PM   #14275
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busiest border crossings in the Netherlands

The traffic volumes at border crossings between the Netherlands and Belgium or Germany:

1) A16 Hazeldonk: 66.600
2) A76 Stein: 54.300
3) A67 Eersel: 36.400
4) A12 Beek: 34.000
5) A67 Venlo: 33.200
6) A76 Bocholtz: 32.900
7) A4 Ossendrecht: 31.800
8) A74 Venlo: 26.400
9) A1 De Lutte: 22.700
10) A2 Eijsden: 19.500
11) A37 Zwartemeer: 15.400
12) A77 Gennep: 13.300
13) A7 Bad Nieuweschans: 9.900

Compared to 2011, the strongest percentage growth was at A37 Zwartemeer (+32%), followed by A4 Ossendrecht (+21%) and A76 Stein (+14%). The largest numerical increase was at A76 Stein (+6.600), A4 Ossendrecht (+5.500) and A67 Eersel (+3.800).

The largest decline was at A2 Eijsden (-14%), A77 Gennep (-10%) and A7 Bad Nieuweschans (-6%). The largest numerical decline was at A2 Eijsden (-3.300), A77 Gennep (-1.400) and A67 Venlo + A76 Bocholtz (-1.100).

The decline at the southeastern border crossings was due to the opening of the new A74 at Venlo in 2012, which carries 26.400 vehicles per day. Apart from a shift from other motorway border crossings, there was also a shift from traffic that used the old route through Venlo, A67 saw a much larger decline in traffic volumes at the Meuse River Bridge (-14.000).

The decline at Eijsden may be explained because of the construction works at the A2 tunnel in Maastricht (which were recently completed).
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Old January 21st, 2017, 08:01 PM   #14276
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Busiest motorways in the Netherlands

These are the busiest motorways in the Netherlands;

1) A4 The Hague (Prins Clausplein - Ypenburg): 249.000
2) A16 Rotterdam (Ridderkerk-Noord - Ridderkerk-Zuid): 239.000
3) A16 Rotterdam (Van Brienenoord Bridge): 229.600
4) A4 De Hoek - Hoofddorp: 228.200
5) A2 Utrecht (Utrecht-Centrum - Oudenrijn): 221.700
6) A12 Utrecht (Galecopper Bridge): 216.600
7) A10 Amsterdam (De Nieuwe Meer - Amsterdam-Oud Zuid): 215.100

This is excluding segments that are directly adjacent to any segments mentioned above. Both A16 locations are close to each other, but not directly adjoining and serve different traffic flows.

So there are basically six motorways that exceed 200,000 vehicles per day.
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Old January 22nd, 2017, 05:14 PM   #14277
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How would that compare internationally? Do neighbouring countries have similar trafic?
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Old January 22nd, 2017, 05:43 PM   #14278
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Not many roads in Europe carry over 200,000 vehicles per day. No motorway in Germany exceeds 200,000 vehicles per day. In Belgium, the only one is R1 at Antwerp. I believe the UK has only a single segment exceeding 200,000 (M25 west of London).

Further, Madrid's M-30 is the busiest verified motorway in Europe, as it carries over 300,000 vehicles per day. However some Moscow roads may also handle that much traffic.

The busiest road in the world is Ontario's Highway 401 in Toronto that carries up to 420,000 vehicles per day. No other motorway has been verified to carry more traffic than that, though there is one contender with no available data, the Marginal Tietê in Sao Paulo.
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Old January 22nd, 2017, 08:00 PM   #14279
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UK AADTs for 2015:

M25 J14-15 210,848
M25 J13-14 202,609

Also a couple of borderline cases that could well be over 200,000 by now:

M25 J11-12 197,995
M1 J7-8 196,972

The Netherlands and Spain have been aggressive with building C/D lanes compared to other European countries, which may largely account for their high AADTs. In Germany the strategy is more to build a parallel autobahn, while the UK doesn't do much of either.
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Old January 22nd, 2017, 08:59 PM   #14280
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It is largely dependent on the road structure. The Netherlands doesn't have much of an arterial network, everything is funneled to the motorways. In some cases, planned motorways weren't build, so all traffic in a region is funneled to one motorway. For example the reason why A4 carries so much traffic at The Hague is that A16 was never built north to Haarlem as was planned originally. It would have relieved A4 of traffic. Not to mention the never built A3 (which was planned between Amsterdam and Rotterdam), which would have captured some of the traffic that currently uses either A2 or A4.

Motorways need to be really wide to carry over 200,000 vehicles per day. These examples in the Netherlands have mostly between 12 and 16 lanes. A10 is a bit of an outlier, as it isn't as wide (yet).
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