Riders in the CBD on Saturday may choose to steer clear of Spring Street.
The block between Little Bourke Street and Lonsdale Street will be closed for crane operations.
The project to upgrade the emergency systems in the Melbourne Underground Rail Loop is delivering and installing a generator at the Parliament Station.
From 7am to 6pm Saturday 29 April 2023, crane works will take place at the Parliament north site compound, 210-230 Spring Street, Melbourne.
The closure of Spring Street between Little Bourke Street and Lonsdale Street will be between from 7am to 6pm, with pedestrian access maintained.
There will be a vehicle detour via Victoria Parade.
Traffic management will be in place to ensure the safety of road users and pedestrians during works.