Board Game Arena

What about adding a rule to the game: new routes must be connected to existing ones or must start from a destination. That would avoid gaining points from long routes that are not aimed to connect destinations. Just an idea, I thnk it would make the game more interesting

You can try when you play physically, but it will change the whole game.
Here, we follow official rules, so this won't happen

Your variant looks like Ticket To Ride Old West which is sell with Ticket To Ride France.