Abstract: A method of determining a journey guidance policy for a journey between a first location and a second location. The method involves obtaining destination objectives comprising an efficiency objective indicative of a desired energy efficiency for the journey and a punctuality objective indicative of a desired time of arrival at the second location. A journey guidance policy is determined based on the destination objectives, where the journey guidance policy comprises recommended actions to be taken along the journey, and each recommended action comprises a route action and a corresponding speed action.