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- W655674756 abstract "Accurate short-term freeway traffic flow forecasting contributes a crucial element to adaptive operations of Advanced Traffic Management Systems and Advanced Traveler Information Systems. Numerous techniques were therefore developed. The Seasonal AutoRegressive Integrated Moving Averages (SARIMA) model provides a reasonable predictor and shows accurate performance. Due to its univariate feature, it performs not well when traffic flow deviates significantly from normal weekly pattern. Therefore, a multivariate ARIMAX model combining the SARIMA model and an exogenous traffic flow series {X} is expected to obtain more accurate forecasts. For a comparison study of univariate and multivariate models, traffic data on the Freeway A5 near Frankfurt, Germany are used. The forecasting evaluation presents the deficiency of delay reaction by the univariate SARIMA model. The multivariate ARIMAX model incorporating the upstream flow data exhibits the better ability to trace the investigation flow profile. The evaluation of overall forecasts shows that the appropriate upstream flow data for ARIMAX modeling significantly enhance the forecast accuracy of the SARIMA model." @default.
- W655674756 created "2016-06-24" @default.
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- W655674756 date "2010-01-01" @default.
- W655674756 modified "2023-09-23" @default.
- W655674756 title "Comparison of Univariate and Multivariate Time Series Models in Short-Term Freeway Traffic Flow Forecasting" @default.
- W655674756 hasPublicationYear "2010" @default.
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