Abstract
Traffic crashes are one of the biggest issues which constitute a threat to lives of the motorists and disrupt operations of the transportation system. To reduce the number of crashes and alleviate their impacts, it is necessary to scrutinize the factors contributing to the risk of traffic crashes. Lately, visual analytics tools become very popular for data exploration and obtaining insights from the data. In this paper, a new web-based data visualization tool called Safety Analysis Visualization and Evaluation Tool (SAVE-T) was introduced. This tool enables users to interactively create queries and visually explore the results. By utilizing an online crash database, it offers various innovative functionalities for analysis and visualization of the crash data such as custom query development module and a subway-like map for easily visualizing the accident on the roadway segments. This tool provides an effective and efficient way to transportation agencies and professionals for traffic safety analyses and visualizations.
Highlights
Vehicle crashes, known as traffic collisions or traffic accidents, are among the most significant issues for any transportation systems in the world
We focused on the crashes on New Jersey Turnpike (NJTP) and Garden State Parkway (GSP) to better focus on the capabilities of the developed tool
Since Safety Analysis Visualization and Evaluation Tool (SAVE-T) can access the up-to-date database in real-time, join-type queries are compiled at the runtime of the tool without requiring any additional processing of the data
Summary
Known as traffic collisions or traffic accidents, are among the most significant issues for any transportation systems in the world. Effective tools are needed for obtaining insights from past crashes in order to prevent future ones To achieve this goal and alleviate the impact of crashes, visual analytics tools become very popular for data exploration and obtaining insights from the data. Ese two toll roads are maintained by the state agency called New Jersey Turnpike Authority (NJTA). On both roadways, traffic crashes remain as one of the critical issues. Many features, which make it easier to access, store, manage, visualize, and update crash and other related traffic data, are implemented in the tool based on the user needs. The expert user has the flexibility to fine-tune the queries based on their need and continue to use them with their tool-of-choice. (v) Cross-platform compatibility: the tool was developed using up-to-date programming languages and packages, which enables the tool to run on web browsers of portable devices
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