Carroll’s father-in-law sits on the board of Nilsen, a $499 million electrical contractor that delivered works on the Metro Tunnel and won the electrical fit-out contract for the North East Link.
Suburban Rail Loop (SRL) East is powering ahead, with the $1.7 billion contract awarded to build the northern section of twin tunnels between Glen Waverley and Box Hill.
The state government splashed $234m on a railway station upgrade in Melbourne’s growing west last year but the platform was built too short for country trains.