Using the Input-Output Diagram to Determine the Spatial and Temporal Extents of a Queue Upstream of a Bottleneck

  title={Using the Input-Output Diagram to Determine the Spatial and Temporal Extents of a Queue Upstream of a Bottleneck},
  author={Tim W. Lawson and David J. Lovell and Carlos F. Daganzo},
This paper describes a simple approach for modifying an input-output (or queueing) diagram to measure the time and distance spent by vehicles in a queue in a much simpler and self-serving manner than using a time-space diagram. The graphical technique requires construction of a curve depicting the cumulative number of vehicles to have reached the back of the queue as a function of time, but as shown herein, the technique can be easily automated with a spreadsheet. Application of the technique… CONTINUE READING
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