The design for a revamped Bacchus Marsh train station has been released with construction expected to start later this year.

Plans for the station include a new car park with 100 spaces, a second platform, pedestrian overpass, improved bus bay layout and bicycle hoops.

The new platform, and an extra three kilometres of track, will allow two trains to stop at the station at the same time, and are aimed at improving service reliability.

Deputy Prime Minister McCormack and Victorian Public Transport Minister Jacinta Allan launched the design plans on Monday morning.

Ms Allan said community feedback about the need to improve accessibility, parking and security formed a major part of the design works.

"We 've listened to this feedback and included all of these elements in the upgrade design," Ms Allan said.

"Many people also said they valued the station's heritage, so we've retained the historic train turntable as well as ensuring any new infrastructure is sympathetic to the existing station buildings."

The Bacchus Marsh station upgrade is part of the $1.75 billion Regional Rail Revival - a joint state and federal government initiative.

Feedback is being sought on landscaping and maintaining the heritage character of the station.

For more information, visit regionalrailrevival.vic.gov.au/ballarat

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