Sky trains will replace level crossings on Melbourne's busiest rail route, a $1.6 billion project that's raised the ire of some residents.

Three sections of the Cranbourne-Pakenham line will be elevated up to 10m above the ground as part of the state government’s level crossing removal project, Premier Daniel Andrews has announced. He said large areas of open space created by the raised rail would be transformed into community areas, with gardens,…