Stau-chaos on the A23: Construction site ensures long queues!

Stau-chaos on the A23: Construction site ensures long queues!

Favoriten, Österreich - Viennese drivers currently have to prepare for a challenging time. The most frequented street in Austria, the Southeast Tangente (A23), is extensively renovated between knot Prater and the Handelskai junction. Around 230,000 vehicles pass this section daily, and the construction site work could last by August 2026, which for many road users entails stressful traffic jams and additional travel times. Daily delays of up to an hour can be expected in particular at peak times and on weekends, as the ÖAMTC reports .

The breakdown strip is currently used as an additional lane to maintain traffic. A trough lane enables oncoming traffic, while all four lanes through the construction site should remain open. This measure is part of the larger renovation project under the title "Tangente NEW", which has been running for 15 years and above all serves traffic safety and reducing dust load during work. The bypass ramp in the direction of Handelskai at the Prater knot remains closed during the entire construction measure, but the departure towards the center is still possible, such as the asfinag executed.

construction times and traffic routing

The construction site is processed in several phases. From March 17, 2025, the main construction measure began in the direction of travel and is carried out in three phases. If the first phase initially aimed at a construction site on the right, followed by a central construction site that blocks the Handelskai exit for vehicles on the left. In the last phase, the construction site is created on the far left, so that traffic can drive past right. From June 23, 2025, the renovation will also continue in the direction of travel. Disabilities can also be expected during this work before a winter break will be taken from October, which will last until March 2026

To lead the traffic and to make it easier for drivers to orientate, a coloring system is used. With this complex traffic situation, attentive drivers can do: inside of their responsibility for security: Austria has made progress in traffic safety in recent years. According to the KFV , the number of traffic dead on the streets 2020 has dropped to a record level.

environmentally friendly measures

The renovation work not only contains the maintenance of the transport infrastructure, but are also characterized by sustainability. 20 % recycling asphalt is used and the "Wiener Stahlleitwand" support system is being renovated. "This shows that we also want to think about the environment during the construction work," said a spokesman for ASFINAG. These measures are necessary to meet the high traffic loads and to ensure security for all road users.