Dynamic Window Data Transfer for Road Closure Verification
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Solution Overview
Problem
Current road closure detection and verification systems face significant latency issues due to the need for dynamic time windows to gather data, leading to inaccuracies and inconveniences in trip planning and traffic management.
Innovation Solution
The implementation of a system that transfers dynamic time window data from road closure detection to verification, allowing the verification system to initiate road closure verification more quickly by utilizing data already collected during the detection process, thereby reducing the wait time for activation and evaluation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If road closure detection and verification systems use dynamic time windows to gather data, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The system performs preliminary data collection during the detection phase by gathering probe data for road links over detection dynamic time windows before verification is needed. This pre-collected data is stored and can be directly utilized during verification, eliminating the need to wait for verification-time data accumulation and thus reducing verification latency while maintaining accuracy requirements
2Measurement precision
If separate detection and verification systems are implemented, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The system merges the detection and verification processes into an integrated architecture where probe data collected during detection is shared and reused by the verification system. This unified approach allows both detection and verification to operate with high precision while reducing overall system complexity through resource sharing and coordinated operation
3Measurement precision
If probe data is collected over extended time windows, then measurement precision is improved, but productivity decreases
Solution Approach 1:
The system performs preliminary data collection during the detection phase by gathering probe data for road links over detection dynamic time windows before verification is needed. This pre-collected data is stored and can be directly utilized during verification, eliminating the need to wait for verification-time data accumulation and thus reducing verification latency while maintaining accuracy requirements
Solution Approach 2:
The detection system continuously collects and stores probe data over detection dynamic time windows for road links, maintaining an ongoing record that can be immediately leveraged when verification is required. This continuous data availability ensures that verification can proceed without interruption or additional waiting time, thereby maintaining high reporting speed
Data Source
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AI summary
An approach is provided for verification of a road closure. The approach, for example, involves generating a road graph comprising a road links associated with a road closure detected by a road closure detection system. The road closure detection system stores probe data for the road links collected over respective detection dynamic time windows. The approach also involves extracting respective verification dynamic time windows for the road links that are used by a road closure verification system to verify the road closure. The approach further involves filling the respective verification dynamic time windows using the probe data stored by the road closure detection system. The approach further involves initiating a verification of the road closure based on the filled respective verification dynamic time windows.