A work vehicle comprising: a vehicle body mounting a traveling mechanism; an implement mounted on the vehicle body and configured to effect a ground work on a work site; a satellite positioning module for outputting positioning data; a traveling distance calculation section for calculating a traveling distance of the vehicle body based on the positioning data; a target traveling time setting section for setting a target traveling time for the ground work on the work site; and a traveling time calculation section for calculating an actual distance traveling time from a time required for traveling of traveling distance calculated by the traveling distance calculation section, characterized in that: the work vehicle comprises: a work management section for managing the ground work based on the actual distance traveling time; and a recording section for recording management information managed by the work management section with allowing data transmission of the management information therefrom, wherein the work management section is configured to calculate a straight traveling time difference, between the target traveling time and the actual distance traveling time at the time of straight traveling, and a turning traveling time difference, between the target traveling time and the actual distance traveling time at the time of turning traveling, with distinction between time required for straight traveling and time required for turning traveling, wherein the work management section is configured to calculate a progress degree of the ground work by comparing the target traveling time and the actual distance traveling time with each other, and the work vehicle comprises an informing section for informing an alarm when at least one of the straight traveling time difference and the turning traveling time difference exceeds a predetermined time and for informing the management information. a vehicle body mounting a traveling mechanism; an implement mounted on the vehicle body and configured to effect a ground work on a work site; a satellite positioning module for outputting positioning data; a traveling distance calculation section for calculating a traveling distance of the vehicle body based on the positioning data; a target traveling time setting section for setting a target traveling time for the ground work on the work site; and a traveling time calculation section for calculating an actual distance traveling time from a time required for traveling of traveling distance calculated by the traveling distance calculation section, characterized in that: the work vehicle comprises: a work management section for managing the ground work based on the actual distance traveling time; and a recording section for recording management information managed by the work management section with allowing data transmission of the management information therefrom, wherein the work management section is configured to calculate a straight traveling time difference, between the target traveling time and the actual distance traveling time at the time of straight traveling, and a turning traveling time difference, between the target traveling time and the actual distance traveling time at the time of turning traveling, with distinction between time required for straight traveling and time required for turning traveling, wherein the work management section is configured to calculate a progress degree of the ground work by comparing the target traveling time and the actual distance traveling time with each other, and the work vehicle comprises an informing section for informing an alarm when at least one of the straight traveling time difference and the turning traveling time difference exceeds a predetermined time and for informing the management information. a work management section for managing the ground work based on the actual distance traveling time; and a recording section for recording management information managed by the work management section with allowing data transmission of the management information therefrom, wherein the work management section is configured to calculate a straight traveling time difference, between the target traveling time and the actual distance traveling time at the time of straight traveling, and a turning traveling time difference, between the target traveling time and the actual distance traveling time at the time of turning traveling, with distinction between time required for straight traveling and time required for turning traveling, wherein the work management section is configured to calculate a progress degree of the ground work by comparing the target traveling time and the actual distance traveling time with each other, and the work vehicle comprises an informing section for informing an alarm when at least one of the straight traveling time difference and the turning traveling time difference exceeds a predetermined time and for informing the management information.