Lane changing assistance for a vehicle

The vehicle has a speed regulating system (10) and a surroundings sensor system (18) for detecting the traffic environment including the traffic on an adjacent lane, a decision device (24) for deciding whether a desire to change lanes can be accommodated and a command device (28) that outputs an acceleration command to the speed regulating signal in the event of a desire to change lanes. A detection device (26) uses the data of the sensing arrangement for detecting a window for a safe entry to the adjacent lane and the command device computes an acceleration strategy including a time point for starting acceleration.