With KEOS Plan Management Application, this process of planning and plan changes at all scales can be queried using the documents, reported and tracked through digital maps associated with other data categories. PYS, as a calculation and reporting tool, enables Reinforcement area distribution calculations, road abandonment and purchase calculations in whole plan area, adjusted ownership share (DOP) and public ownership share (KOP) calculations. Displaying and reporting past and present plan changes. PYS, as an assessment tool, enables Assessment of sub-scale implementations based on the upper scale plan decisions. Compatibility check of spatial use decisions in the plan hierarchy. PYS, as a Performance Tool For Satisfaction/Ability to Develop, enables Comparison of plan decisions with current construction information in the field. PYS, as an Investment Guiding Tool, enables Guiding the capital on site with location selection criteria. PYS, as a Tracking Tool, enables Tracking the pending plan changes | 
