A lane display device, comprising: - a storage configured to store map information including lanes in each of roads; - a position acquirer configured to acquire a current position of a vehicle in the map information; - an information acquirer configured to acquire traffic information of a certain section (P1, P2) for each of the lanes; - a display configured to display the certain section (P1, P2) in the lane in which the vehicle travels, based on the traffic information and depending on a position of the vehicle; and - a section setter configured to set the certain section (P1, P2) as a travel recommended section in which travel is recommended or an avoidance recommended section recommended to be avoided, wherein the display is configured: - to display a transition region (Q1, Q2) indicating a transition with respect to the certain section (P1, P2), on a region with a predefined length along a direction of the lane from at least one of a start point (P2S) or an end point (P1E) of the certain section (P1, P2) such that a pattern of the transition region (Q1, Q2) changes more toward the at least one of the start point (P2S) or the end point (P1E), - to display the transition region (Q1, Q2) on the region with the predefined length along the direction of the lane from the end point (P1E) of the certain section (P1, P2) upon the certain section (P1, P2) being set as the travel recommended section by the section setter, - to display the transition region (Q1, Q2) on the region with the predefined length along the direction of the lane from the start point (P2S) of the certain section (P1, P2) upon the certain section (P1, P2) being set as the avoidance recommended section by the section setter, characterized in that the display is further configured: - to display an advance notice bar (R1, R2) blinking at a certain cycle on a position where the vehicle is approaching at least one of the start point (P2S) and the end point (P1E) of the certain section when a distance from the vehicle to the at least one of the start point (P2S) and the end point (P1E) reaches or falls below a predetermined threshold, wherein: - the blinking cycle of the advance notice bar (R1, R2) becomes shorter as the vehicle approaches the end point (P1E) or the start point (P2S), and - the display of the advance notice bar (R1, R2) is stopped when the current position of the vehicle moves outside the travel recommended section or enters the avoidance recommended section, respectively. - a storage configured to store map information including lanes in each of roads; - a position acquirer configured to acquire a current position of a vehicle in the map information; - an information acquirer configured to acquire traffic information of a certain section (P1, P2) for each of the lanes; - a display configured to display the certain section (P1, P2) in the lane in which the vehicle travels, based on the traffic information and depending on a position of the vehicle; and - a section setter configured to set the certain section (P1, P2) as a travel recommended section in which travel is recommended or an avoidance recommended section recommended to be avoided, - to display a transition region (Q1, Q2) indicating a transition with respect to the certain section (P1, P2), on a region with a predefined length along a direction of the lane from at least one of a start point (P2S) or an end point (P1E) of the certain section (P1, P2) such that a pattern of the transition region (Q1, Q2) changes more toward the at least one of the start point (P2S) or the end point (P1E), - to display the transition region (Q1, Q2) on the region with the predefined length along the direction of the lane from the end point (P1E) of the certain section (P1, P2) upon the certain section (P1, P2) being set as the travel recommended section by the section setter, - to display the transition region (Q1, Q2) on the region with the predefined length along the direction of the lane from the start point (P2S) of the certain section (P1, P2) upon the certain section (P1, P2) being set as the avoidance recommended section by the section setter, characterized in that the display is further configured: - to display an advance notice bar (R1, R2) blinking at a certain cycle on a position where the vehicle is approaching at least one of the start point (P2S) and the end point (P1E) of the certain section when a distance from the vehicle to the at least one of the start point (P2S) and the end point (P1E) reaches or falls below a predetermined threshold, - to display an advance notice bar (R1, R2) blinking at a certain cycle on a position where the vehicle is approaching at least one of the start point (P2S) and the end point (P1E) of the certain section when a distance from the vehicle to the at least one of the start point (P2S) and the end point (P1E) reaches or falls below a predetermined threshold, - the blinking cycle of the advance notice bar (R1, R2) becomes shorter as the vehicle approaches the end point (P1E) or the start point (P2S), and - the display of the advance notice bar (R1, R2) is stopped when the current position of the vehicle moves outside the travel recommended section or enters the avoidance recommended section, respectively.