With the advances in traffic sensor technology, more useful traffic information can be generated directly or indirectly. This study introduces an innovative single-loop speed estimation model using recent traffic sensor technology. Proposed speed estimation model can be easily integrated with existing loop systems without requiring any roadside construction work. With accurately estimated speed, accurate travel time can also be derived. This will help disseminate accurate real-time traffic information, and therefore improve overall network performance, and traffic control/operation. The spatial and temporal transferability of the developed model was tested and encouraging results were obtained. Automated vehicle grouping is also one of the main contributions of the proposed model.
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