A stoplight chart showing ahead/behind.

• The duration stoplight chart uses criteria set up in the column to show at-a-glance whether the project steps are progressing satisfactorily.

• The duration stoplight chart uses the standard colors of green, yellow and red while switching to a diamond symbol along with text to show how  each task is progressing and the action needed for each task.

  • Yellow diamond remaining duration shows some concern that the task is behind schedule.

  • Green diamond remaining duration shows task is progressing on schedule

  • Red diamond remaining duration shows need for review because the task is behind schedule