A travel guidance system comprising: a navigation-route setting unit configured to set a navigation route along which a movable body is guided and a guidance junction on the navigation route; a junction acquiring unit configured to acquire a position of a preceding junction (62, 64) that is located closer to a departure place of the navigation route than the guidance junction; a guidance setting unit configured to set guidance including voice guidance on the guidance junction; and a junction guiding unit configured to Provide guidance on the guidance junction on the basis of the guidance set by the guidance setting unit, wherein the guidance setting unit is adapted to set the voice guidance by using a special phrase (A, B) including a first phrase for specifying a positional relationship between the movable body and the preceding junction (62, 64) and a second phrase for specifying a positional relationship between the movable body and the guidance junction which exists after the movable body has passed through the preceding junction (62, 64), characterized in that the special phrase (A, B) used for voice guidance on the guidance junction is selected from a plurality of special phrases from a guidance phrase condition table, in which, for each special phrase, a required output time, a guidance start section, and a guidance end section are associated and the guidance start section and the guidance end section are matched with the situation of the movable body with respect to the preceding junction, according to the required output time for the guidance start section and the guidance end section, wherein the guidance setting unit is configured such that in case the passage of the moving body through the preceding junction will not be completed while the voice guidance is provided, a first special phrase is set for the voice guidance on the guidance junction, and in case the passage of the moving body through the preceding junction will be completed while the voice guidance is provided, a second special phrase is set for the voice guidance on the guidance junction, the voice guidance using the first special phrase includes the first phrase indicating the junction through which the movable body is about to pass and the second phrase indicating the number of junctions existing between the guidance junction and the movable body after the movable body has passed through the preceding junction, the voice guidance using the second special phrase includes the first phrase indicating the junction through which the movable body is passing and the second phrase indicating the number of junctions existing between the guidance junction and the movable body after the movable body has passed through the preceding junction. a navigation-route setting unit configured to set a navigation route along which a movable body is guided and a guidance junction on the navigation route; a junction acquiring unit configured to acquire a position of a preceding junction (62, 64) that is located closer to a departure place of the navigation route than the guidance junction; a guidance setting unit configured to set guidance including voice guidance on the guidance junction; and a junction guiding unit configured to Provide guidance on the guidance junction on the basis of the guidance set by the guidance setting unit, wherein the guidance setting unit is adapted to set the voice guidance by using a special phrase (A, B) including a first phrase for specifying a positional relationship between the movable body and the preceding junction (62, 64) and a second phrase for specifying a positional relationship between the movable body and the guidance junction which exists after the movable body has passed through the preceding junction (62, 64), characterized in that the special phrase (A, B) used for voice guidance on the guidance junction is selected from a plurality of special phrases from a guidance phrase condition table, in which, for each special phrase, a required output time, a guidance start section, and a guidance end section are associated and the guidance start section and the guidance end section are matched with the situation of the movable body with respect to the preceding junction, according to the required output time for the guidance start section and the guidance end section, wherein the guidance setting unit is configured such that in case the passage of the moving body through the preceding junction will not be completed while the voice guidance is provided, a first special phrase is set for the voice guidance on the guidance junction, and in case the passage of the moving body through the preceding junction will be completed while the voice guidance is provided, a second special phrase is set for the voice guidance on the guidance junction, the voice guidance using the first special phrase includes the first phrase indicating the junction through which the movable body is about to pass and the second phrase indicating the number of junctions existing between the guidance junction and the movable body after the movable body has passed through the preceding junction, the voice guidance using the second special phrase includes the first phrase indicating the junction through which the movable body is passing and the second phrase indicating the number of junctions existing between the guidance junction and the movable body after the movable body has passed through the preceding junction.