flow maps

• what are the advantages of flow maps?

  clearly shows movement of people, goods, or transport

  clear visual representation of information

  volume and direction of movement is shown

  can be superimposed onto a base
• what are the disadvantages of flow maps?

  distance and direction may be distorted to achieve a clear image

  diagrams can become overcrowded depending on the size of the flow lines

  scale may be unclear

  the area that the flow is coming from may be hard to see