Tempo 30 Aarau: Bahnhofstrasse Test Run
- Aarau, Switzerland – A traffic experiment on Bahnhofstrasse, characterized by the principle of "togetherness instead of opposition," has concluded, with city and cantonal authorities opting to make the...
- The Bahnhofstrasse test, implemented over the past 18 months, sparked considerable debate in Aarau.
- Prior to the test, Bahnhofstrasse featured a bus lane and three traffic lanes, along with a traffic officer at Aargauplatz.
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Aarau’s Bahnhofstrasse Traffic Test Becomes Permanent
Table of Contents
- Aarau’s Bahnhofstrasse Traffic Test Becomes Permanent
- AarauS Bahnhofstrasse Traffic Test becomes Permanent: Your Questions Answered
- What’s Happening on Bahnhofstrasse in Aarau?
- Why was a Traffic Experiment Necessary?
- What Changes Were Tested During the Experiment?
- What Were the Main Goals of the Traffic Experiment?
- What Were the Potential Outcomes Considered?
- What Configuration Was Ultimately Chosen?
- Why Was the Chosen Configuration Considered Successful?
- were Dedicated Bicycle Lanes Considered?
- What Were Traffic Conditions Before the Test?
- What were some of the challenges faced before the experiment?
- Key Changes on bahnhofstrasse: A Rapid Comparison
Aarau, Switzerland – A traffic experiment on Bahnhofstrasse, characterized by the principle of “togetherness instead of opposition,” has concluded, with city and cantonal authorities opting to make the changes permanent.
Contentious changes Lead to Permanent Solution
The Bahnhofstrasse test, implemented over the past 18 months, sparked considerable debate in Aarau. The changes included reducing the speed limit to 30 kilometers per hour, removing pedestrian crossings, modifying bus lane configurations, introducing a multi-purpose strip, and restricting left turns from Kasinostrasse. Meaningful congestion near the CityMärt/Casino parking garage also prompted a temporary passenger ban.

Prior to the test, Bahnhofstrasse featured a bus lane and three traffic lanes, along with a traffic officer at Aargauplatz. A roundabout replaced these features, and the bus lane was converted into a multi-purpose strip. Officials acknowledged this arrangement as a temporary measure, particularly due to issues like pedestrian crossings near a McDonald’s causing frequent traffic jams.
In 2019, a traffic simulation explored various solutions, including a permanent one-way system incorporating the rear Bahnhofstrasse and traffic metering. “There was no single solution,” stated Vice City President Werner Schib at a recent press conference.
The traffic management system tested since summer 2023 aimed to foster consideration among all road users, improving traffic flow and bus schedule reliability. Schib emphasized the goal of strengthening Bahnhofstrasse as an urban space and reducing its divisive effect on the city.
The city and canton announced the decision to adopt the test configuration permanently, citing its success.
Future Traffic Management
Authorities considered three options: reverting to the original street configuration, continuing the current mixed-traffic system for cyclists and vehicles, or reinstating dedicated bicycle lanes from an earlier phase of the trial. They ultimately chose to maintain the status quo.
Daniel Schwerzmann, Head of Transport Management for the Canton, noted that dedicated bicycle lanes would force cyclists to navigate past stationary traffic.

AarauS Bahnhofstrasse Traffic Test becomes Permanent: Your Questions Answered
What’s Happening on Bahnhofstrasse in Aarau?
The city of aarau, Switzerland, has decided to permanently implement changes to the traffic flow on Bahnhofstrasse. This comes after an 18-month traffic experiment designed around the idea of “togetherness rather of opposition” among road users.
Why was a Traffic Experiment Necessary?
The Bahnhofstrasse previously had a bus lane, three traffic lanes, and a traffic officer managing traffic at Aargauplatz. However, issues, such as frequent traffic jams caused by pedestrian crossings near a McDonald’s, prompted authorities to seek improvements.
What Changes Were Tested During the Experiment?
The traffic experiment on Bahnhofstrasse involved several key modifications:
- Reducing the speed limit to 30 kilometers per hour.
- Removing pedestrian crossings.
- Modifying bus lane configurations.
- Introducing a multi-purpose strip.
- Restricting left turns from Kasinostrasse.
- A temporary passenger ban near the CityMärt/Casino parking garage.
What Were the Main Goals of the Traffic Experiment?
The primary objectives of the Bahnhofstrasse traffic experiment, which began in the summer of 2023, were to:
- Foster consideration among all road users.
- Improve traffic flow.
- Enhance bus schedule reliability.
- Strengthen Bahnhofstrasse as an urban space.
- Reduce the divisive effect of traffic on the city.
What Were the Potential Outcomes Considered?
Authorities considered these primary options for the future of Bahnhofstrasse:
- Reverting to the original street configuration.
- continuing the current mixed-traffic system for cyclists and vehicles.
- Reinstating dedicated bicycle lanes from an earlier phase of the trial.
What Configuration Was Ultimately Chosen?
The city and canton of Aarau chose to maintain the status quo, keeping the traffic configuration implemented during the test.
Why Was the Chosen Configuration Considered Successful?
The success of the implemented measures was cited as the reason for the chosen configuration.The test aimed at fostering consideration among road users, improving traffic flow, and enhancing bus schedule reliability which was positively evaluated.
were Dedicated Bicycle Lanes Considered?
Yes, dedicated bicycle lanes were discussed. Ultimately, it was decided to maintain the existing mixed-traffic system. Daniel Schwerzmann, Head of Transport Management for the Canton, noted that dedicated bicycle lanes would force cyclists to navigate around stationary traffic.
What Were Traffic Conditions Before the Test?
Before the test, Bahnhofstrasse had a bus lane, three traffic lanes, and a traffic officer stationed at Aargauplatz. This configuration was replaced with a roundabout and a multi-purpose strip for the duration of the test.
What were some of the challenges faced before the experiment?
One main problem cited was the congestion caused by pedestrian crossings, especially those near the McDonald’s.This and other inefficiencies led to officials seeking alternative solutions.
Key Changes on bahnhofstrasse: A Rapid Comparison
Here’s a comparison of the traffic configurations before and after the changes:
| Feature | Before Test | During and After Test |
|---|---|---|
| Speed Limit | Unknown | 30 km/h |
| Pedestrian Crossings | Present | Removed |
| Bus Lane | Yes | Modified/Multi-purpose strip |
| Left Turns from Kasinostrasse | allowed | Restricted |
| Traffic Officer | Present at aargauplatz | No officer mentioned |
