AUSTRALIAN Rail Track Corp has selected Lockheed Martin to assist with a A$20m technical and economic study of the potential for cab signalling based on satellite navigation and radio communications, allied to radio control of points. The contract award follows confirmation of federal funding earlier this year (RG 5.05 p246).

Lockheed Martin is part of the AAR-led project team developing the satellite-based Positive Train Control technology which is currently being trialled between Chicago and St Louis. Trains can be located to an accuracy of