'Save the wave' petition launched in support of Jim Ashworth as DIPL changes roadside vendor rules FriFriday 22 Roadside plant salesman Jim Ashworth is known for his friendly wave towards every motorist. ( Print text only Cancel Jim Ashworth's wave is the first and last thing people see as they go in and out of Katherine, but there are fears the plant seller will be waving goodbye when new roadside vendor rules take effect. Key points: For years Jim Ashworth has waved at every passing car from his shady roadside plant stall in Katherine New rules say roadside vendors will need to shift to information bays by February 16