Article ID: | iaor19982823 |
Country: | United Kingdom |
Volume: | 32A |
Issue: | 1 |
Start Page Number: | 1 |
End Page Number: | 17 |
Publication Date: | Jan 1998 |
Journal: | Transportation Research. Part A, Policy and Practice |
Authors: | Petty Karl F., Bickel Peter, Ostland Michael, Rice John, Schoenberg Frederic, Jiang Jiming, Ritov Ya'acov |
Keywords: | queues: applications, stochastic processes |
As advanced traveler information systems become increasingly prevalent the importance of accurately estimating link travel times grows. Unfortunately, the predominant source of highway traffic information comes from single-loop loop detectors which do not directly measure vehicle speed. The conventional method of estimating speed, and hence travel time, from the single-loop data is to make a common vehicle length assumption and to use a resulting identity relating density, flow, and speed. Hall and Persaud and Pushkar