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Old August 2nd, 2008, 10:09 AM   #441
ChrisZwolle
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6 hour waiting time at the Tauerntunnel:

Quote:
Zwischen Knoten Pongau und Tauerntunnel Wartezeit bis zu 6 Stunden, 35 km Stau Blockabfertigung
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Old August 2nd, 2008, 11:31 AM   #442
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Hehe. The reason: Bavaria went on summer holidays yesterday, and some other Bundesländer are back to work on monday. So the holiday travellers to and from Jesolo meet in the tube. Normal travel chaos day on the transit routes, I would say.
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Old August 2nd, 2008, 12:42 PM   #443
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Quote:
Originally Posted by Chriszwolle View Post
6 hour waiting time at the Tauerntunnel:
maybe it's time to bore the 2nd tube...
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Old August 2nd, 2008, 12:59 PM   #444
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Quote:
Originally Posted by H123Laci View Post
maybe it's time to bore the 2nd tube...
Construction started in 2006, opening of the new tube in 2010 and 2x2 in 2011
-> http://www.asfinag.at/index.php?modu...=13&idtopic=29
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Old August 2nd, 2008, 01:08 PM   #445
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oops. Im ramming open gates...
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Old August 2nd, 2008, 06:23 PM   #446
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Blockabfertigung – ein notwendiges Übel

für alle die was lernen wollen


Bei einröhrigen Tunnels ab etwa 1.000 Fahrzeugen pro Stunde
Mit dem Höhepunkt des Sommerreiseverkehrs laufen beim ÖAMTC die Telefone heiß. Immer wieder langen Anrufe von erbosten Autofahrern ein, die vor dem Tauern Tunnel (A10) im Stau stehen und die Sinnhaftigkeit der Blockabfertigung hinterfragen. Doch so lästig es sein mag, sich stundenlang vor dem Tunnel anzustellen, der Nutzen dieser Regelung rechtfertigt die Maßnahme.


Was bedeutet Blockabfertigung eigentlich?

Blockabfertigung wird immer dann verhängt, wenn durch hohes Verkehrsaufkommen die Kapazität des Tunnels ausgeschöpft ist. Die Autos werden dann nur mehr in Schüben in die Röhre gelassen.

Damit werden im Wesentlichen drei Ziele verfolgt:

1. Die Staugefahr im Tunnel selbst wird minimiert
2. Die Unfallgefahr im Tunnel wird reduziert
3. Die Luftqualität im Tunnel wird verbessert

Kommen 2000 Fahrzeuge pro Stunde auf der zweispurigen Autobahn noch halbwegs zügig voran, müssen sich diese im Tunnel einen Fahrstreifen teilen. Die logische Folge ist ein Stau. Das Abfangen dieses Ansturms vor dem Portal erspart den Autofahrern also einen Verkehrszusammenbruch im Tunnel. Blockabfertigung vor dem Tauern Tunnel wird ab einer Verkehrsdichte von 900 bis 1.200 Fahrzeugen pro Stunde verhängt. Die Blockabfertigungsanlage in Fahrtrichtung Süden befindet sich laut ÖAMTC zudem vor dem rund fünf Kilometer langen Anstiegstücks zum Tauern Tunnel Nordportal. So wird zusätzlich fahrzeugstrapazierender und umweltbelastender Stop-and-Go-Verkehr auf der Steigungsstrecke verhindert.


Höhere Verkehrssicherheit und Schutz vor Abgasen

Wie die Aufzeichnungen des ÖAMTC zeigen, passieren die meisten Unfälle in Tunnels mit Gegenverkehr im Bereich des Portals und dem Abschnitt davor, wo der Richtungsverkehr in den Gegenverkehr geleitet wird. Dichter Kolonnenverkehr und Stau erhöhen das Risiko eines Unfalls ebenfalls. Das Anhalten des Verkehrs vor dem Risikobereich entschärft die Gefahrensituation, es ereignen sich weniger Unfälle. Zudem wird die Arbeit der Rettungskräfte im Falle eines Unfalls durch leichtere Zufahrt zur Unglücksstelle erheblich erleichtert.

Indem nur eine bestimmte Anzahl von Fahrzeugen den Tunnel passieren darf, wird auch die Luftqualität gewährleistet. Bei durchgehendem Stop-and-Go-Verkehr steigt die Schadstoffbelastung der Autofahrer durch die Abgase.

Ein Trost für die Reisenden: Im Juni 2011 werden beiden Röhren des Tauern Tunnels für den Verkehr freigegeben. Dann ist hier die Blockabfertigung so gut wie passé. Lediglich bei extremer Verkehrsüberlastung, die sich dann aber auf wenige Tage beschränken dürfte, könnte auch nach dem Vollausbau von Tauern- und Katschberg Tunnel Blockabfertigung notwendig sein. Dies sieht man laut ÖAMTC auch beim Wolfsberg Tunnel: Obwohl dieser über zwei Röhren verfügt, wird der Verkehr hier in Einzelfällen nur mehr blockweise abgefertigt.
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Old August 2nd, 2008, 06:44 PM   #447
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Makes sense. The last thing you want is massive traffic jams inside tunnels. Very dangerous, people could panic, bad air quality, etc.
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Old August 2nd, 2008, 08:39 PM   #448
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Hochinteressant. Vielen Dank fürs posten, wo hast Du das denn her?
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Old August 2nd, 2008, 10:53 PM   #449
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Quote:
maybe it's time to bore the 2nd tube...
Maybe it's (high) time our neighbours start to learn to organize their trips...
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Old August 2nd, 2008, 10:58 PM   #450
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Quote:
Originally Posted by Energy2003 View Post
Ein Trost für die Reisenden: Im Juni 2011 werden beiden Röhren des Tauern Tunnels für den Verkehr freigegeben. Dann ist hier die Blockabfertigung so gut wie passé. Lediglich bei extremer Verkehrsüberlastung, die sich dann aber auf wenige Tage beschränken dürfte, könnte auch nach dem Vollausbau von Tauern- und Katschberg Tunnel Blockabfertigung notwendig sein. Dies sieht man laut ÖAMTC auch beim Wolfsberg Tunnel: Obwohl dieser über zwei Röhren verfügt, wird der Verkehr hier in Einzelfällen nur mehr blockweise abgefertigt.
I don't understand pretty well: although in 2011 both tubes will be opened for traffic, Blockabfertigung is still to be considered. Why that? Why would traffic jams happen before tunnels, if they are built for same traffic density as incoming motorways?
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Old August 2nd, 2008, 11:10 PM   #451
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Tunnels are capacity reducing objects. That way, the traffic can jam, and they want to avoid that with blockabfertigung. Obviously, the waiting lines would be much shorter with 2x2 lanes.
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Old August 3rd, 2008, 07:27 PM   #452
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Yes, traffic also jams before the Croatian tunnels Mala Kapela and Sveti Rok, even when they make them one-way.
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Old August 3rd, 2008, 09:32 PM   #453
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Quote:
Originally Posted by Chriszwolle View Post
Tunnels are capacity reducing objects.
why is that?
maybe b/c of the longer following distance?

what is the english for "blockabfertigung"?
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Old August 3rd, 2008, 09:43 PM   #454
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People take longer following distances because they have fewer overview on the traffic.

Blockabfertigung = dosing traffic.
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Old August 3rd, 2008, 09:44 PM   #455
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interesting question:

when the cars just drive in one direction, there´s more air change or not ?!

cause when to lanes drive in the same direction the wind goes >>>>>

in normal way ><><><> and so on ...

but i think it´s veeeeeery minimum

@H123Laci: i think tunnel driving has to do a lot with psychology
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Old August 4th, 2008, 11:07 AM   #456
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Quote:
Originally Posted by Chriszwolle View Post
Blockabfertigung = dosing traffic.
and does it mean "alternating traffic flow" too or only stopping traffic before the tunnel, when traffic in the tunnel starts slowing?

it seems to me that alternating traffic flow reduces the capacity significantly, b/c there are long delays between direction change...
the longer the tunnel the longer the delay...
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Old August 4th, 2008, 11:19 AM   #457
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@ energy: I would say that the much more important effect than the wind by cars are the small traffic-free pauses (when changing the way-of-right) which allows to remove much more air from the tunnel than with constant traffic, but I'm not sure about that either.

Btw. Does anyone know how long one way-of-right (or how you would call it) at the Tauern-Blockabfertigung is?
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Old August 4th, 2008, 05:14 PM   #458
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Quote:
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Yes, traffic also jams before the Croatian tunnels Mala Kapela and Sveti Rok, even when they make them one-way.
well, they give them one way when jams are allready made. but it's true that jams appear at shorter tunnels with 2 tubes (for instance at Plasina). as Chris said - tunnels are just capaity reducing objects. good thing is that when you have 2 tubes, only speed is reduced, there is no waiting in lines (As when you have only 1 tube)
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Old August 5th, 2008, 12:31 PM   #459
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On Sunday I made a trip from Donnersbachwald in Styria to Bischofshofen in Salzburg.
Sorry for the bad quality but I only had my mobile phone with me.

My route was:

B75 Donnersbachwald-Trautenfels
B320/E651 Trautenfels-Schladming-Radstadt-Interchange Ennstal
A10/E55 Interchange Ennstal-Interchange Bischofshofen
B159 Interchange Bischofshofen Nord-Bischofshofen Center



Let's start in Donnersbachwald, a village of 350 inhabitants in the middle of nowhere
We are on regional road (Landesstraße) B75 "Glattjoch Straße" which is a bit special because there are two seperated parts of it. In former times it was planned to connect the two parts by a tunnel under the "Glattjoch" but it has never been built.


B75 between Irdning and Trautenfels


At the northern End of the northern part of B75


Now we're on B320/E651 "Ennstal Straße", the main connection between Salzburg and Graz. Once there were plans to build an expressway (Schnellstraße) on that route but it has never been built because of a bird (Wachtelkönig, don't know the name in English) and so the traffic has to go on a normal road






















Road works on the bypass of Schladming













Horrible sign at the Interchange of B99 to Villach, Tamsweg and Obertauern and B320/E651
For the next few kms until we reach the A10 motorway B99 and B320 follow the same route


Interchange Radstadt Ost (east) ahead




Crossing Altenmarkt west, the last one before the motorway.
B99 leaves us again.

Finally, we get to motorway A10 (Interchange Ennstal)


Distance sign

Interchange Eben im Pongau ahead


Interchange Hüttau (entrance only in this direction)

Interchange Ponagau/Bischofshofen in 2000 m




Bischofshofen, the end of my journey
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Old August 5th, 2008, 04:26 PM   #460
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Thanks for the photos! Lovely nature. And the B320/E651 isn't that bad at all.
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