A control device is configured to provide route information for a vehicle and includes: a headlamp configured to irradiate light in a forward direction of the vehicle; a sensing unit configured to sense at least one sign located in the forward direction of the vehicle; and at least one processor. The at least one processor is configured to, based on a first portion of the at least one sign corresponding to first route information of the vehicle, control the headlamp to irradiate the light on the first portion of the at least one sign that corresponds to the first route information of the vehicle.