A steering system for a multi-car mass transit vehicle, the steering system providing a four-wheel Ackermann-type system for providing improved manoeuvrability of each car and bi-directional travel, with each car accurately following the path of the car in front when travelling in either a forward or backward direction. Alternatively, there is provided: an intermediate carriage for a multi-carriage vehicle, the intermediate carriage configured to connect to first and second carriages, and the intermediate carriage including a steering input and a steering output, such that the steering input is configured to accept a steering input from the first carriage, and the steering output is configured to provide a steering output to the second carriage. Further alternatively, there is provided a tyre-wheeled bogie arrangement for a vehicle, the bogie arrangement including a bogie body and at least one wheel including a tyre.