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Old March 28th, 2014, 03:56 PM   #10601
ChrisZwolle
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A1 Amersfoort

Construction will begin on A1 near Amersfoort in late 2014. The project will widen the eastbound A1 to three lanes between late 2014 and early 2016.

It is a short-term solution, because by 2018 A1 will have 2x4 lanes west of Bunschoten, but 2x2 lanes east of it until 2022, when the Hoevelaken motorway interchange upgrade is complete. To prevent a severe bottleneck between 2018 and 2022, the A1 will be widened to three eastbound lanes.

The ultimate project will widen A1 around Amersfoort to 2x4 lanes as well. One bridge across the Zwolle - Amersfoort railway will be replaced by a wider one, with space for 4 lanes and a shoulder, so it won't have to be reconstructed again with the Hoevelaken interchange project. The new bridge will also be 1.5 meters higher to allow higher clearance conform contemporary railway design standards. The new bridge across the railway will have a free clearance of 5.4 m and a ground-to-roof clearance of 5.8 meters.

The additional lane is 5.6 kilometers long.

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Old March 28th, 2014, 07:53 PM   #10602
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N33 Assen - Zuidbroek

Some aerial photos of the N33 twinning project.

1. N33/A7 interchange Zuidbroek


2. New alignment at Veendam


3. new bridge across Stadskanaal


4. Meeden interchange


5. Bareveld


6. Gieten N33/N34 interchange


7. Assen-zuid interchange (A28/N33)
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Old March 28th, 2014, 08:11 PM   #10603
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that grey soil is nasty
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Old March 29th, 2014, 10:28 AM   #10604
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New Bridge N33 Zuidbroek

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Old March 29th, 2014, 11:37 AM   #10605
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@ChrisZwolle #10601:
I'm just wondering why it is necessary to widen the A1 between Eemnes and Hoevelaken to 2 x 4 lanes. Wouldn't it be sufficient to widen it to 2 x 3? I mean then the Eemnes interchange doesn't have to be reconstructed, and widening can be realized much faster and cheaper.
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Old March 29th, 2014, 04:44 PM   #10606
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The current traffic volumes on A1 are already at 100,000 vehicles per day (even 110,000 at Eembrugge). If you widen it to 2x3 lanes, there is very little spare capacity for future growth, so 2x4 lanes is a more future-proof solution.
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Old March 29th, 2014, 05:55 PM   #10607
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Ecological maintainance near Vaanplein interchange



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Old March 29th, 2014, 06:51 PM   #10608
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Does RWS now have state sheep for grazing?
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Old March 29th, 2014, 07:09 PM   #10609
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S100 De Oversteek, Nijmegen

A video of the City Route S100 in Nijmegen. The city has introduced City Routes in late 2013. The S100 contains the new "Oversteek", a tied-arch bridge across the Waal River. It is the largest single arch bridge in Europe (or so they say).

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Old March 29th, 2014, 07:50 PM   #10610
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Chris Zwolle Thanks for your clear explanation about the A1!
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Old March 30th, 2014, 07:55 PM   #10611
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A4 Leiden

New aerial photos of the A4 project at Leiden. It will be completed later this year.

http://defotograaf.eu/blog/a4-burgerveen-2/

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Old March 30th, 2014, 08:09 PM   #10612
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Why haven't they made it a tunnel outright like in Utrecht?
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Old March 31st, 2014, 12:10 AM   #10613
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What does it mean: "Langer remweg, nieuw gedek"? (Or something very similar ;-))

A funny experience: A76 -> A4 (Germany), Heerlen -> Aachen. Everybody drives 120 km/h, and just after the sing "Bundesrepublik Deutschland" a Porsche starts accelerating and in 20 seconds disappears :-)
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Old March 31st, 2014, 12:13 AM   #10614
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Nieuw wegdek, langere remweg? New road surface, longer braking distance.
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Old March 31st, 2014, 09:08 AM   #10615
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Quote:
Originally Posted by MattN View Post
Nieuw wegdek, langere remweg? New road surface, longer braking distance.
Thanks, it was my guess too.
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Old March 31st, 2014, 03:49 PM   #10616
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Those signs are just to make sure they can't be litigated for changed road conditions. Nobody changes their driving behavior after passing such a sign.
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Old March 31st, 2014, 03:50 PM   #10617
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Quote:
Originally Posted by Suburbanist View Post
Why haven't they made it a tunnel outright like in Utrecht?
Tunnels longer than 250 meters have to conform to the tunnel law, which is based on, but much more strict than the EU tunnel directive. It means much more expensive safety equipment, ventilation, control centers, dedicated fire department, etc.
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Old April 1st, 2014, 08:12 PM   #10618
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Quote:
Originally Posted by ChrisZwolle View Post
Construction will begin on A1 near Amersfoort in late 2014. The project will widen the eastbound A1 to three lanes between late 2014 and early 2016.
Transportation minister Schultz already signed the draft EIS for this project. It will be published on 4 April.

Usually most of the design phase happens when making the draft EIS, the final EIS is often fairly similar to the draft EIS, with often only small changes (such as ditches, embankments, bike paths, secondary road alignment, etc.) The basic design (i.e. number of lanes, alignment, interchange configuration) is normally set in the draft EIS.

EIS = Environmental Impact Statement / EIA = Environmental Impact Assessment / TB = Tracébesluit
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Old April 3rd, 2014, 09:28 PM   #10619
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A4 Delft - Schiedam

Construction of A4 between Delft and Petržalka Schiedam.



More photos: http://defotograaf.eu/blog/a4-delft-schiedam-5/
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Old April 4th, 2014, 04:19 PM   #10620
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N33 Assen - Zuidbroek

A dump truck destroyed one of the bat passages across N33 today. And there are signs in both directions to warn truckers to lower the trailer for this situation specifically.

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