With my carrier if it's a load they are bidding on they will ask me how much I want to run it, before bidding on it, if it's their customer it's at my contract rate, either I take it or they move to the next van in line.
He's funny barks at cars but not at motorcycles. He's very much a people kinda dog. He will bark at you till you speak to him. Then barks as you walk away.