The chamber of commerce here's calling on the Infrastructure Minister to reverse street parking price hikes in Newry.
It follows last week's announcement that the price would jump by 50%, from 40p per hour to 60p.
The changes will take effect from next month.
On-street parking in Belfast and Lisburn are also set to increase.
Newry and Belfast chambers of commerce, retail union NIIRTA and Hospitality Ulster are jointly against it.
In a statement they said the incoming Infrastructure Minister must "rethink" this "unnecessary burden on shoppers".
Woman rescued from house in Saintfield following petrol bomb attack
More than 100 firefighters tackle Omagh industrial fire as casualty airlifted
MLAs hit out at ‘Executive chaos’ after U-turn on special school summer schemes
Delivery driver forced at gunpoint to take object to police station
Elderly woman dies after road collision in Armagh