Brighton and Hove traders have threatened another go-slow protest over Parking fees after negotiations with council bosses broke down.
Members of Traders Against Parking Persecution (TAPP) say talks failed to resolve their complaints.
Brighton and Hove City Council introduced a pilot scheme for permits in July under which traders have to pay £75 per vehicle for three months.
They are allowed to park in residents' bays for two hours but have to leave by 4pm when local people start to return home.
Traders say that is unreasonable and want to be able to stay later.
Independent consultants JMP is carrying out a review of the city's parking, including central Hove where many of the problems have arisen but the review is set to take six months and traders want their demands addressed sooner.
The campaigners will meet in The Brunswick pub in Holland Road, Hove, on Tuesday, at 7pm to plan their next move.
They are threatening to repeat their van convoy go-slow, which would bring Brighton and Hove's streets to a standstill.
More than 250 vans took part in a protest in July and so far threats of a second protest have not materialised but another convoy now looks set to go ahead.
Roger McArthur, from TAPP, said: "The council is giving us absolutely nothing. It's ridiculous and it's about time we took action.
"We've already held off two other protests. They just give us idle promises."
Councillor Simon Battle, transport spokesman for the city council, said: "We have responded positively to traders' concerns, introducing easier ways to pay for parking waivers and piloting a traders' permit system.
"We are also negotiating with staff over opening one of the parking information centres earlier in the morning.
"The next step will be a review of the traders' permit scheme to see if it can be improved and made permanent."
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