 The conditions require that all vehicles manufactured for use as licensed taxi cabs in London must be inspected for compliance with the standard before use.They regulate compliance with general UK and European vehicle standards and with specific design requirements including access to the vehicle, dimensions and layout, manoeuvrability, visibility and equipment.Amongst the main requirements are the need for separate passenger and driver compartments, high internal headroom, a ramp for wheelchair user access and the ability to turn through 180° on either lock between two walls apart to minimise the impact of the many taxis operating in the city on other road users.