2. The traffic simulator of claim 1 , wherein: the storage portion further stores, for each predetermined cautionary object, a required level of experience information representing a level of experience required for the driver to recognize each predetermined cautionary object.
2. The traffic simulator of claim 1 , wherein: the storage portion further stores, for each predetermined cautionary object, a required level of experience information representing a level of experience required for the driver to recognize each predetermined cautionary object. 3. The traffic simulator of claim 2 , wherein: the required level of experience information represents a level of experience required by the driver to recognize a cautionary object based on at least one of a distance from a vehicle model to the cautionary object, whether the cautionary object is blocked, or whether the cautionary object is within a field of view of the driver; and the selection portion selects, as cautionary objects recognized by the driver, from the cautionary objects found by the searching portion, those cautionary objects having a required level of experience less than or equal to the level of driving experience of the driver set by the setting portion, the required level of experience being based on at least one of the distance from a vehicle model to the cautionary object, whether the cautionary object is blocked, or whether the cautionary object is within the field of view of the driver.