Road Situation Estimation System for Construction Traffic
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Solution Overview
Problem
Existing construction-related information systems fail to provide real-time information on the current situation of roads near construction sites, leading to traffic jams and unclear traffic regulations due to parked vehicles and installed signboards, which are not effectively communicated to stakeholders using information terminals.
Innovation Solution
A construction-related information estimation system that includes a moving body correspondence information terminal and an information processing device, which transmits terminal ID and position information to estimate the current road situation using map data, allowing vehicles and pedestrians to contribute to traffic awareness through smartphones and beacons, thereby displaying traffic conditions and regulations on dynamic maps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If construction work is performed on the road, then construction activities can be conducted, but traffic flow is disrupted causing traffic jams and unclear traffic regulations
Solution Approach 1:
The patent introduces an information processing device as an intermediary that collects data from information terminals on the road, processes it, and generates estimated road situation information. This mediator bridges the gap between construction activities and traffic management, allowing construction to proceed while providing real-time traffic status information to reduce disruption impacts.
Solution Approach 2:
The system implements feedback by continuously collecting road situation data from information terminals, processing this information, and providing estimated road status back to users. This feedback loop enables dynamic adjustment of traffic management strategies based on actual road conditions during construction, reducing the harmful effects of traffic disruption.
2Ease of manufacture
If parked vehicles and signboards are installed on the road for construction, then construction site operations are enabled, but road visibility and traffic flow are reduced
Solution Approach 1:
The information processing device acts as an intermediary that compensates for the visibility reduction caused by parked vehicles and signboards. By collecting data from distributed information terminals and synthesizing estimated road situation information, the system provides a virtual view of the road status that compensates for the physical obstruction caused by construction elements.
Solution Approach 2:
The system creates a digital copy or representation of the road situation through data collected from information terminals. This virtual model of the road status allows users to understand traffic conditions and visibility issues without needing direct visual access to the obstructed road, effectively copying the essential information in a different form.
3Device complexity
If real-time road situation information is not provided, then system complexity is reduced, but stakeholders cannot recognize current traffic conditions leading to safety issues
Solution Approach 1:
The system implements self-service by automatically collecting data from information terminals, processing it through the information processing device, and generating estimated road situation information without requiring manual intervention. This automated process provides real-time traffic awareness while keeping the system relatively simple, as the infrastructure elements (information terminals) serve dual purposes of construction marking and data collection.
Data Source
AI summary
A construction-related information estimation system includes a moving body correspondence information terminal configured to move together with a moving body that moves on a target road, the target road being a road on which a construction site that is a place which is estimated to be under a construction is located or that is located near the construction site, and transmit terminal information including a terminal ID signal that is its own identification information and its own position information, and an information processing device configured to have map information including information on the construction site and the target road and receive the terminal ID signal and the position information transmitted from the moving body correspondence information terminal. The information processing device is configured to estimate a current situation of the target road based on the terminal information and the map information acquired from the moving body correspondence information terminal.