It might not be enough to pick up the slack from the drop in resource investment, but as Tony Abbott tries to fulfil his pledge about being an ‘infrastructure prime minister’, the transport sector is shaping up as one of the most promising growth sectors in the construction industry in Australia.

Projects such as the North West Rail Link and the M4 East Expressway Duplication project in Sydney are propelling activity forward in the short term, and will be joined later by stage 1 of Melbourne’s East West Link, Sydney’s WestConnex and the whopping $114 billion East Coast of Australia High…