A preview for the latest Vienna add-on including articulated buses, the AI articulated bus GU 240:
The GU 240 M18 (= “Regular bus with underfloor engine, 240 hp and 18 m long”) is an Austrian custom construction by ÖAF Gräf&Stift and Steyr-Daimler-Puch for Wiener Linien.

The last scheduled tour of the GU 240 in regular service for Wiener Linien took place on line 23A on 07 April 2006.

Note:

In order to run this addon, the final version (v.: 1.10) of the 'OMSI Add-on Vienna - The High Floor Bus LU 200' has to be installed.

http://www.aerosoft.com/products/omsi-wien/omsi-wien.html

This DLC is an optional DLC and can be enabled by right clicking on the game ->, 'View Downloadable Content'.

About the main AddOn

Discover the busline 24A from Zentrum Kagran (U) to the outskirts of the town in the 22nd district of Vienna in the high-floor bus LU 200. This interesting and demanding route from 2005 has been beautifully reconstructed in great detail using lots of objects. So a long-time driving pleasure for beginners and advanced OMSI enthusiasts is guaranteed. Accept the challenge and steer this legendary bus – the LU200 – through the Vienna traffic.