http://iheero.eu/ STRABAG Infrastructure & Safety Solutions GmbH (SISS) is a 100% subsidiary of STRABAG AG. As an overall provider of intelligent infrastructure solutions, the company offers an extensive range of services all from a single source – from rail radio, video surveillance and passenger information systems to control centre technology to traffic and tunnel solutions. Current contracts include the implementation of a digital alerting system for the Austrian state of Vorarlberg as well as the delivery of the NGS3600 communication management system to the control centre SIMOS in Stuttgart and the state fire command centre in Upper Austria. More information is available at www.strabag-iss.com.