Matt O'Sullivan is transport and infrastructure editor at The Sydney Morning Herald.
The shake-up will affect bus routes from the northern beaches and north shore to the Hills, north-west and city’s south-west.
The opening of the interchange linking the new M12 motorway to the M7 comes four months before the first passenger flights take off at Western Sydney Airport.
Firefighters are readying the new station and gigantic trucks for the first cargo flights late next month, followed by passenger aircraft three months later.
Commuters face extra disruptions after the ribbon is cut on the final stage of the M1 if construction cannot be done during scheduled maintenance shutdowns.
The long-awaited launch of passenger flights to Western Sydney Airport will follow the start of cargo aircraft taking off from the new aviation hub next month.
The final stage of the M1 metro line cannot go live soon enough for commuters who have been catching replacement buses for the past two years.
Confidential documents reveal abandoning the $3.2 billion underground motorway project has been canvassed in a secret scoping study and other reports.
The delays to upgrading more than a dozen depots complicates the state government’s rollout of more than 1200 electric buses within the next two years.
Confidential documents reveal the project is running late on a vast range of work, from switching on power at stations to receiving new European-built trains.
An out-of-control excavator and a dump truck hanging off a cliff reveal safety risks plaguing the mega-project, which faces further cost blowouts and years of delays.