That isn’t appeal, that is judicial review, basically wanting the court to review the decision and overturn it. It’s an extra step that shouldn’t be taken willy-nilly, and should be done when you’re sure you have a chance. He already went past the normal procedure and continue to pursuit something as stupid and obvious as speeding fine. The high cost imposed is to stop these sort of frivolous demand, and the court smell his bullshit from the get go as he pretend he didn’t drive or own the car.