Development and preliminary testing of an automatic turning movements identification system : final report, February 2010.
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2010-02-01
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Abstract:It is important for many applications, such as intersection delay estimation and adaptive signal
control, to obtain vehicle turning movement information at signalized intersections. However,
vehicle turning movement information is very time consuming to obtain and usually the data
can only be counted manually. Previous efforts were focused on solving the problem using an
O-D matrix but the result is not accurate and reliable. Limitations with the existing methods to
handle shared-lane situations have prevented them from being used for many intersections.
Motivated by the need to identify vehicle turning movements for many real time applications
without being constrained by the intersection configuration, the University of Akron’s
transportation research group has developed an Automatic Turning Movement Identification
System (ATMIS) and tested it through lab and field evaluation. The results from those
experiments are very encouraging with small errors compared with the ground truth. This
project has demonstrated the great potential of ATMIS to be used for other applications after
further testing and enhancement.
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