Driver assistance system for a vehicle, in particular a higher-level automated vehicle, comprising: a capture device for recording information in a vehicle environment; a position determination device for determining a vehicle position relative to the vehicle environment; a database, the database comprising a digital road map; a control unit, the control unit being configured to locate the vehicle position on the digital map and ascertain traffic rules applicable to the vehicle position, the applicable traffic rules being ascertained at least sometimes using first information recorded by the capture device and/or using map information stored in the database; wherein the control unit is furthermore configured to evaluate second information recorded by the capture device in order to ascertain whether the traffic rules relevant to the vehicle position are being complied with by other road users or whether the other road users are following alternative traffic rules instead of the relevant traffic rules; and wherein the control device is configured to design a travel trajectory in consideration of the alternative traffic rules and to steer the vehicle along this travel trajectory, characterized in that the control device is configured to take the alternative traffic rules as a basis for granting right of way to at least one other road user, the control device being configured to use the second information to determine a flow rate, the flow rate representing a number of vehicles (501, 502, 503, 504) passing the vehicle position in a lane (201, 202), and the control device being configured to grant right of way to the at least one other road user at least sometimes on the basis of the flow rate. a capture device for recording information in a vehicle environment; a position determination device for determining a vehicle position relative to the vehicle environment; a database, the database comprising a digital road map; a control unit, the control unit being configured to locate the vehicle position on the digital map and ascertain traffic rules applicable to the vehicle position, the applicable traffic rules being ascertained at least sometimes using first information recorded by the capture device and/or using map information stored in the database; wherein the control unit is furthermore configured to evaluate second information recorded by the capture device in order to ascertain whether the traffic rules relevant to the vehicle position are being complied with by other road users or whether the other road users are following alternative traffic rules instead of the relevant traffic rules; and wherein the control device is configured to design a travel trajectory in consideration of the alternative traffic rules and to steer the vehicle along this travel trajectory, characterized in that the control device is configured to take the alternative traffic rules as a basis for granting right of way to at least one other road user, the control device being configured to use the second information to determine a flow rate, the flow rate representing a number of vehicles (501, 502, 503, 504) passing the vehicle position in a lane (201, 202), and the control device being configured to grant right of way to the at least one other road user at least sometimes on the basis of the flow rate.