page_title: Time–distance diagram
hierarchical_section_title: Time–distance diagram
caption_attribution_description: English: Example of a Time Distance Diagram created with the software TILOSDeutsch: Beispiel eines Weg-Zeit-Diagramms erstellt mit dem Programm TILOS
context_page_description: A time–distance diagram is generally a diagram with one axis representing time and the other axis distance. Such charts are used in the aviation industry to plot flights, or in scientific research to present effects in respect to distance over time. Transport schedules in graphical form are also called time–distance diagrams, they represent the location of a given vehicle along the transport route.
  In project management, a time–distance diagram, is a method of graphically presenting a time schedule for all types of longitudinal projects such as pipeline, rail, bridge, tunnel, road, and transmission line construction.
  Activities in time–distance diagrams are displayed both along a time axis and along a distance axis according to their relative linear position. This allows showing not only the location of the activity but also the direction of progress and the progress rate. Activities can be presented as geometrical shapes showing the occupation of the work site over time such that conflicting access can be detected visually. Different types of activities are differentiated by color, fill pattern, line type, or special symbols.
context_section_description: A time–distance diagram is generally a diagram with one axis representing time and the other axis distance. Such charts are used in the aviation industry to plot flights, or in scientific research to present effects in respect to distance over time. Transport schedules in graphical form are also called time–distance diagrams, they represent the location of a given vehicle (train, bus) along the transport route.
  In project management, a time–distance diagram (also called time-chainage diagram, time–distance chart, time-chainage chart, time–location diagram, time-location chart, March chart, location–time chart, orthogonal diagram, line of balance chart, linear schedule or horse blanket diagram), is a method of graphically presenting a time schedule for all types of longitudinal projects such as pipeline, rail, bridge, tunnel, road, and transmission line construction.
  Activities in time–distance diagrams are displayed both along a time axis and along a distance axis according to their relative linear position. This allows showing not only the location of the activity but also the direction of progress and the progress rate. Activities can be presented as geometrical shapes showing the occupation of the work site over time such that conflicting access can be detected visually. Different types of activities are differentiated by color, fill pattern, line type, or special symbols. A symbolic drawing along the distance axis is often used to improve the understanding of the time–distance diagram.
  The advantage of a time–distance diagram is that it nicely shows all visible activities along the construction site on a single diagram.
caption: A time–distance diagram for the construction of a motorway created with TILOS
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