Some of Melbourne’s most congested roads are set to be upgraded, with the federal government pledging $260 million to bust the busiest bottlenecks.

Prime Minister Scott Morrison is on town for a three-day tour of Melbourne’s road network.

Among roads to be improved are:

• The Calder
• The Hume
• Ballarto Road at Skye
• Fitzsimons Lane at Eltham

Urban Infrastructure Minister Alan Tudge told Neil Mitchell with population growth the infrastructure “simply hasn’t been keeping up”.

“So this is a series of smaller projects, some of those local congestion hotspots, sometimes it can be a small local intersection which really causes people grief,” Mr Tudge said.

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Neil asked the minister what is the most important fix in Victoria is, in his view.

“One is the Tulla airport rail,” he replied.

“And the Monash constantly needs upgrading.”