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Old November 6th, 2011, 07:53 AM   #6281
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Quote:
Originally Posted by ChrisZwolle View Post
A plus lane is a physical widening of the motorway, on the left side, where a lane can be opened during peak times. They vary in design standard, some are as wide as the regular lanes, others are more narrow. They are not the same as HOV lanes in the U.S. As far as I know the Netherlands is the only country in the world which uses this type of lanes. They did it because procedures for plus lanes used to be faster and less complex.

Example:
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A1 plusstrook-2 by Chriszwolle, on Flickr
Interstate 66 in Virginia, at least westbound, from I-495 (the Capital Beltway) to somewhere around Manassas, opens its right shoulder to traffic in rush hours. They have a HOV lane on the left as well, but the right lane can be used by anyone when there's a green arrow signal as opposed to a red X signal. (There's ample signage explaining this.)
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Old November 6th, 2011, 11:23 AM   #6282
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That's how it started in the Netherlands as well:

image hosted on flickr

A1 shoulder running Hoevelaken by Chriszwolle, on Flickr
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Old November 6th, 2011, 01:05 PM   #6283
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Chris, do you know which highway got a plus lane first? And which highway got shoulder running first? If I remember correcly, the first section with shoulder running was the A28 Utrecht - Amersfoort somewhere near Den Dolder. But I'm not sure..
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Old November 6th, 2011, 02:19 PM   #6284
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Technically, the first plus lane was A27 between Houten and interchange Everdingen, which opened on November 22nd, 1999. The left shoulder running on A4 between Hoofddorp and interchange Burgerveen started a month earlier, but that was on an existing left shoulder (design standards mandate a left shoulder if there are 4 or more lanes per direction) and is thus technically not a plus lane, despite being on the left. A "plus lane" is usually seen as a physical widening of the roadway as opposed to shoulder running on the regular right shoulder. The idea is the same though, additional capacity during peak hours.
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Old November 6th, 2011, 02:31 PM   #6285
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Where and when shoulder running is enabled, is there any speed limit and/or camera checking system or anything else in order to avoid hitting stopped (e.g. tehcnical breakdown) cars in the shoulder?
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Old November 6th, 2011, 02:36 PM   #6286
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Yes. Before the shoulder is opened to traffic, traffic controllers have to do a thorough check by camera of the entire shoulder to check for breakdowns or debris. These are fairly good checks, as they have to detect even a two-by-four laying on the shoulder. Then CC-TV cameras monitor the shoulder all the time, although this is generally not intensively watched by traffic controllers. Furthermore, there are emergency bays constructed every few hundred meters. These have vehicle detection. If you have a breakdown and park in the emergency bay, the traffic controllers are notified automatically. Then the shoulder itself also has detection to monitor traffic speed. The shoulder can be cleared of traffic quickly

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A50 shoulder running by Chriszwolle, on Flickr
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Old November 6th, 2011, 04:00 PM   #6287
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Quote:
Originally Posted by ChrisZwolle View Post
That's how it started in the Netherlands as well:

image hosted on flickr

A1 shoulder running Hoevelaken by Chriszwolle, on Flickr
Off topic, but 66 may also have introduced the HOV concept, or at least that word: the segment from the Virginia end of the Theodore Roosevelt Bridge out to the Beltway only opened in 1982 - and the segment of the Dulles Access Road from 66 to the Beltway a year or two later - and if memory serves the entirety of those segments (not just certain lanes) was HOV only in rush hours. I remember all this because I was in college in Washington at the time - I actually had to cross over 66 (on foot) to get to the nearest Metro station - and there was plenty of news coverage.
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Old November 6th, 2011, 04:23 PM   #6288
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HOV never really gained traction in Europe. There was a short-lived HOV trial in the Netherlands in the early 1990's, but it failed. I think HOV is mainly a substitute for (the lack of) public transport, which is not really an issue in Europe.
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Old November 7th, 2011, 12:09 AM   #6289
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Yes. Before the shoulder is opened to traffic...
Thank you for the explanation.
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Old November 7th, 2011, 12:32 AM   #6290
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Hello. Does someone have pics of the motorway sections in the Netherlands, that are being tested since March 2011, with a speed limit of 130 km/h ?
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"Richtgeschwindigkeit" should be the default system in all EU motorways & expressways & lane indiscipline should be harshly fought! Down with radars on motorways!
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Old November 7th, 2011, 12:44 AM   #6291
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Quote:
Originally Posted by GROBIN View Post
Hello. Does someone have pics of the motorway sections in the Netherlands, that are being tested since March 2011, with a speed limit of 130 km/h ?
ChrisZwolle has posted a few pictures already:

A2 Everdingen
image hosted on flickr


image hosted on flickr


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Old November 7th, 2011, 01:01 AM   #6292
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Thanks I couldn't find it, as the thread is very long & I'm quite recent in the forum.

Quote:
Originally Posted by Slagathor View Post
ChrisZwolle has posted a few pictures already:

image hosted on flickr
This one would've been nice in Germany, but on this Dutch motorway, I assume it means the speed limit goes back to 120 km/h, right ?
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"Richtgeschwindigkeit" should be the default system in all EU motorways & expressways & lane indiscipline should be harshly fought! Down with radars on motorways!
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Old November 7th, 2011, 04:15 AM   #6293
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Quote:
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This one would've been nice in Germany, but on this Dutch motorway, I assume it means the speed limit goes back to 120 km/h, right ?
Yes. It cancels the special provision of speed and it then returns to the general bank speed limit on autosnelwegen (120 km/h).
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Old November 8th, 2011, 03:19 PM   #6294
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A5 Amsterdam progressing well:
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Old November 8th, 2011, 04:33 PM   #6295
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Are the carriageways wide enough to allow shoulder running?
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Old November 8th, 2011, 04:35 PM   #6296
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Not the prettiest view in the world, driving on that thing
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Old November 8th, 2011, 04:37 PM   #6297
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Yeah although the designers supposedly had to fight tooth and nail to make it happen (maybe René can shed some more light on this?).
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Old November 8th, 2011, 11:35 PM   #6298
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A12 today, traffic jam on the right side.

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Old November 8th, 2011, 11:51 PM   #6299
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This is a nice spot to take pictures. The road (inclined), the building and so. It is also a nice road do drive through, it would be even nicer if they linked A12 and A44 terminus beyond the Hubbertustunnel
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Old November 9th, 2011, 11:26 AM   #6300
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Great photo!
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