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Delays were caused in Maidstone town centre this afternoon by drivers turned away from a car park.
Tailbacks have formed in Fairmeadow, near to Fremlin Walk shopping centre, and on the bridge system.
The centre said it closed the top floor of its three-storey car park on advice from Kent Highways to help ease congestion.
All floors are now open.
The site has been charging people a £2 flat rate on weekdays and £3 on weekends after recent flooding damaged its barriers.
There were concerns the lower rate would attract commuters.