A computer program product for use with a railway computer assisted train movement planner, wherein the railway network is divided into a plurality of planning areas; each planning area having at least one boundary element of common track resources shared by an adjacent planning area, said computer program product comprising: a computer usable medium having computer readable program code modules embodied in said medium for resolving conflicts in the use of a boundary element; said computer readable program code modules comprising: computer readable first program code module 29 for causing a computer to determine the sequence of movement of the plural trains through the boundary element; and computer readable second program code module 23 for causing a computer to generate a local movement plan for the adjacent planning areas as a function of the determined sequence of movement of trains through the boundary element.