The bus shuttle will run for four Saturdays leading up to Christmas, starting on November 28.
It starts from Chichester College car park at Westgate and runs to the city centre. Drop-off and pick-up points will be at Eastgate, opposite the Cattle Market, North Street, and at the Cathedral in West Street, before the bus returns to the College car park.
The service will also operate on the weekdays leading up to Christmas: December 21, 22, 23 and Christmas Eve.
The park-and-ride service is funded by Chichester District Council and supported by Chichester Chamber of Commerce and Industry, Chichester College and the Chichester Observer.
Cllr Derek James, portfolio holder for community safety at Chichester District Council, says: 'The park-and-ride scheme was very successful last year. It is hoped that it will again, make travelling into Chichester easier.'
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