This paper is focused to explain the usability of the rectification method on the place of road accidents. Rectification is a method, using which a documentation after road accidents is processed for further analysis. In praxis often occurs a situation, where is necessary to find a certain value out from the place of road accident retroactively. Original conditions at the place of road accidents are in many cases non-repetitive. As next could happen, that measured distances given by the police units, which are responsible for documentation at the place of road accident, are with significant deviations. But with precise photography documentation, the required information can be reached using rectification method. For further photography processing was used software PC Rect. Paper deals with the methodological process for photography preparation and its rectification, and also includes evaluation of accuracy of this method in graphic charts. From performed measurement it is obvious, using which method should be photography taken in order to achieve the smallest possible deviation in the current condition.