As of: March 7, 2024, 3:09 p.m
By: Peter Schiebel
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Five streets meet at Tutzinger-Hof-Platz (on an older drone photo).
Some turning options will be eliminated during the test from the end of March.
© Michael Rudy
In front of around 50 interested Starnbergers, employees of the State Building Authority and Bayernwerke as well as Mayor Patrick Janik explained on Tuesday evening what the city will face in the test phase for the tunnel construction site from March 25th.
One resident in particular gave the planners pause.
Starnberg – The Fischhaber building materials store has been in Starnberg for more than a hundred years, located at Leutstettener Straße 14. Now owner Alfred Kaunicnik is thinking a lot about what will happen next.
“If no solution is found for us, I can close it,” he said on Tuesday evening at the Weilheim State Building Authority’s information event about the upcoming test run for traffic routing during the tunnel construction phase.
The building materials store is located directly at the junction with the B 2 - and it will be closed in the third stage of the test phase.
“Our suppliers drive to us several times a day with 40-ton trucks,” reported Kaunicnik.
“I can’t send them through Starnberg.” And switching to smaller vehicles doesn’t make sense when it comes to building materials.
After all, after the end of the official part in front of around 50 interested citizens in the small hall of the Schlossberghalle, the representatives of the building authority sought to talk to Kaunicnik.
“We are in bilateral coordination as to how delivery will take place during the construction work on the inner Leutstettener Straße,” added tunnel department head Lukas Schulte on Wednesday.
Bayernwerke lays empty pipes and cables
In addition to the test phase, there will be construction work on the inner Leutstettener Straße.
On the one hand, Bayernwerke wants to lay an empty pipe there, which will later be used, among other things, for the medium-voltage line to operate the tunnel boring machine.
“The cable for the street lighting will also be replaced.
“It’s probably 60 years old,” said Stefan Drexl from the Upper Bavaria Municipal Management of Bayernwerk Netz GmbH.
“The timing is a good opportunity for us.” However, there will be disruption for residents because the road will have to be opened up.
“The road will definitely be usable,” emphasized Drexl.
The work is scheduled to take three weeks and will be discussed with the residents, he said.
The three test phases
As reported, the test phase begins on Monday, March 25th, with a new traffic light system at Tutzinger-Hof-Platz.
From then on, the state building authority wants to find out whether the planned traffic routing for the period of construction of the tunnel north portal meets the promise of calculations and simulations.
The test is scheduled to last eight to nine weeks until the middle of May, after which the possibility of turning left from the B2 towards the motorway onto the inner Leutstettener Straße will probably no longer be possible for a year and a half.
Traffic therefore has to take a curve over Tutzinger-Hof-Platz and through the city center.
However, this will only work, if at all, if the traffic lights at Tutzinger-Hof-Platz are completely switched and certain traffic connections are no longer possible there (see illustrations).
Traffic management from March 25th
A new traffic light system will be installed at Tutzinger-Hof-Platz and will go into operation on March 25th.
It is then no longer possible to turn left from the B 2 from the direction of Munich onto Josef-Jägerhuber-Straße or turn left from Wittelsbacherstraße onto the B 2 towards Weilheim and onto Hanfelder Straße (each shown in red).
The diversion for traffic turning left from Wittelsbacherstrasse is shown in green, the diversion for B2 traffic from the direction of the motorway towards Josef-Jägerhuber-Straße is shown in orange.
All directions from Hanfelder Straße are possible as before, and nothing changes at the northern exit from Wittelsbacherstraße towards the motorway and Josef-Jägerhuber-Straße.
All walking options for pedestrians will also be retained.
A new traffic light will be installed at the intersection of Ludwigstrasse and Hauptstrasse (B 2), which will be switched together with the systems at the Centrum underground car park and at the city library.
The traffic routing at Tutzinger-Hof-Platz.
© Weilheim State Building Authority
The successive test phases are designed in such a way that little by little traffic connections are eliminated.
It is not yet clear when phases two and three will begin, said Lukas Schulte.
“We are waiting until the respective traffic routing is anchored in the minds of road users.
We rely on phase one to work well.”
Adjustments are possible at any time, said Schulte and the area inspector of the building authority for the Starnberg district, Jacob Eberle.
For example, there are initially no plans to ban parking along Ludwigstrasse, which WPS city councilor Ralf Breitenfeldt, for example, considered likely.
“But we can adjust that if necessary,” said Eberle.
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What concerned the participants
Citizens also expressed concerns about the additional traffic on Maximilianstrasse.
“We will not improve the quality of Maximilianstrasse,” said Mayor Patrick Janik, but also explained: “We are talking about a test phase and a later construction phase.” Encounter traffic should be excluded there and the cycling regulations should be retained.
BMS city councilor Michael Mignoli was inherently skeptical about the whole thing.
“I’m personally afraid that we won’t last nine weeks,” he said.
An early end is possible, explained the head of the school department and listed three exit options: “A traffic collapse in Starnberg, an increase in accidents that can be traced back to the changed traffic routing at Tutzinger-Hof-Platz, or that we have already been able to find out all the information .”
The meeting expressed doubts as to whether the bridges over the Georgenbach could withstand the load of 40-ton trucks.
Janik assumed this was the case, but wants to have it checked to be on the safe side.
Another citizen wanted to know to what extent traffic routing was stored in navigation systems.
Every blockage is entered into a system to which navigation device providers have access, explained Jacob Eberle.
“The companies decide for themselves what they do with it.” Incidentally, he did not see the danger of an increase in traffic on Rheinlandstrasse past the high school and post office.
“This is an incredibly inconvenient diversion,” he said.
Phases two and three of the test run
In a second phase - the exact start is still unclear - turning left from the B 2 from the direction of the motorway onto the inner Leutstettener Straße will no longer be possible (illustration on the left).
The diversion takes place via Wittelsbacherstrasse, Ludwigstrasse, Maximilianstrasse and Josef-Jägerhuber-Strasse to Leutstettener Strasse.
Phase three begins a little later.
Then the entrance and exit of the inner Leutstettener Straße in the intersection area with the B 2 will be completely closed (illustration on the right).
The diversion from the inner Leustettener to the B 2 in the direction of Munich is via Josef-Jägerhuber-Straße (shown in green), the diversion to the B 2 in the direction of Weilheim via Kaiser-Wilhelm-Straße, Bahnhofplatz, Wittelsbacherstraße and Ludwigstraße (shown in turquoise).
Road users come to the inner Leutstettener Straße as in phase 2 (shown in purple).
Phase two of the experiment, date still to be determined.
© Weilheim State Building Authority
Phase three, the date of which is also still open.
© Weilheim State Building Authority