Field studies using laser rangefinding devices were undertaken to quantify actual vehicle behavior along signalized links and at signal-controlled intersections. Data were analyzed to determine the fractions of vehicle activity spent in different operating modes. Analysis of field data in the vicinity of signalized intersections was undertaken. Intermediate results indicate that along roadway links rear signalized intersections, hard accelerations that can lead to elevated emissions are frequent occurrences for passenger vehicles. Additionally, a majority of vehicle activity was observed that falls outside the range of activity included in the FTP. Final field study results compare measured vehicle activity to predicted activity from traffic engineering models.
Stopline distributions of speed and acceleration for signalized intersections
1998
Seiten
Conference paper
English
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