An automotive lamp provides information to vehicles approaching from at least one side of the rear of a vehicle of the driving state of the vehicle by irradiating light for forming a road pattern indicating the driving state of the vehicle. The automotive lamp includes a detection unit configured to detect a driving state of a vehicle, a reversing lamp configured to indicate a reverse movement of the vehicle, a lamp unit configured to irradiate light for forming a road pattern indicating the state of the vehicle to the rear of the vehicle such that the road pattern can be formed on at least one side of the vehicle. A control unit is configured to control the lamp unit based on the detected driving state of the vehicle. The luminous intensity of the lamp unit is equal to, or greater than, the luminous intensity of the reversing lamp.