Interserve will put in new lighting, glazing, seating, flooring, CCTV and information displays at the town centre bus station.
The scheme also involves repairs and upgrades to the car park including new cladding, surfacing and electric vehicle charging points.
The works are part of the Rotherham Town Centre Masterplan led by Rotherham Metropolitan Borough Council.
SYPTE director of customer services Tim Taylor said: 聽鈥淲e鈥檙e looking forward to working with Interserve and we鈥檙e confident that together we鈥檒l deliver an improved interchange, which will result in a better experience for our customers.鈥�
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