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Weekly Quiz: Where is the world’s longest train signalling system?
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The fiendishly difficult Construction Briefing weekly quiz
Two companies get green light for world’s largest signalling project worth A$1.6bn
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Engineering and construction firm DT Infrastructure and rolling stock and signalling specialist Alstom have won an A$1 billion (US$1.1 billion) deal to replace the existing signalling and train control systems in Perth, Western Australia