These road vehicles are minor characters and are yet to appear in Keekre24's series.
No custom model has benn made for Bulgy's friend yet, however, it could be made from an extra Bulgy model.
These buses are the same class as Bertie, however, they are faceless. Keekre24 has not made any custom's, however, they could be made from extra Bertie models.
These are not part of TWR's series, bit they could be made from extra Trevor models.
These are also not part of Keekre24's series, but they could be made from extra Butch models.