South Australia

Adelaide's $160m O-Bahn City Access Project now open

ADELAIDE'S $160 million O-Bahn City Access Project was last week officially opened at a community day marking the completion of the major construction project, which aims to improve travel for all vehicles in the city's East End.

On average, more than 1,000 buses will use the 670-metre-long tunnel each weekday, which is expected to improve the reliability of O-Bahn services and improve travel times for other road users by freeing up space on the Inner Ring Route.

Artist's impression of O-Bahn City Access Project at East Terrace and Rymill Park
Above: Artist's impression of O-Bahn City Access Project at East Terrace and Rymill Park / Department for Planning, Transport and Infrastructure.

"The O-Bahn tunnel is about easing the commute for more than 30,000 people who use the service every day. It's not just bus passengers who'll benefit - creating an extra lane for buses along Hackney Road and detouring them into the tunnel means more road space for other vehicles," South Australian Premier Jay Weatherill said.

"We're already investigating how we can extend this critical public transport network further to Golden Grove to give even more residents in the north eastern suburbs the opportunity to get on-board."

The project involved the extension of the O-Bahn system from the end of the busway at Gilberton into the cross-city priority bus lanes on Grenfell Street. In addition to the 670-metre-long tunnel, the project also includes the creation of centrally aligned priority bus lanes along Hackney Road.

Transport and Infrastructure Minister Stephen Mullighan said the completion of the project on time and on budget was a huge credit to all involved in this complex infrastructure project, particularly the major contractor McConnell Dowell.

"The tunnel is a critical piece of infrastructure which will make bus trips on our busiest public transport network faster and more reliable, while also freeing up more road space for cars and other vehicles, particularly on the Inner City Ring Route," Mr Mullighan said.

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