A hauling vehicle including a vehicle body, a distance meter that measures the distance to an obstacle, an in-vehicle controller that controls the vehicle body, and a communication device that communicates with a management controller that manages the vehicle body is provided. In the hauling vehicle, the in-vehicle controller executes primary determination of whether or not the distance meter is in a dirt-presumed state in which dirt of an objective surface of the distance meter is presumed, commands the vehicle body to stop at a current position when determining that the distance meter is in the dirt-presumed state in the primary determination, executes secondary determination of whether or not the distance meter is in the dirt-presumed state after the elapse of a set time from the execution of the primary determination, transmits an alarm to the management controller through the communication device when determining that the distance meter is in the dirt-presumed state in the secondary determination, and commands the vehicle body to resume travelling of the vehicle body when determining that the dirt-presumed state has been eliminated in the secondary determination.