Traders in the Forest of Dean claim that parking charges introduced over the summer are ruining their businesses.
Previously, parking in towns like Lydney and Coleford was free. Now shoppers pay 20p for the first hour.
Shop owners say it means people are no longer browsing, which is bad for business.
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It will be a misty and murky start to Wednesday morning but sunshine will soon break through to bring warmer temperatures in the afternoon.
It will be a misty start tomorrow morning but sunshine will break through the murk and warm up the South West into the afternoon.
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