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- W2921000573 abstract "Abstract This paper focuses on forecasting short-term spatiotemporal relative change in travel time (RCTT) on a freeway corridor. The RCTT was used instead of the travel time to capture the relative effect (say) due to a vehicle accident when compared with the no incident condition. Two types of RCTT were considered: travel time/expected travel time and travel time/minimum travel time. Databases were developed using data for 135 “Vehicle Accident” affected days and 128 days when there were no incidents, on a freeway corridor. The expected travel time was computed through averaging of all the travel time samples for a specific time period. The percent difference between the expected travel time and the observed travel time is less than 15% for 90% of the samples, indicating that the computed expected travel time represents the travel time during no incident condition. Autoregressive Integrated Moving Average (ARIMA) model was then applied to model RCTT. The Mean Absolute Percent Error (MAPE) of the fitted models, as well as for the validated models, was less than 15% for most of the segments, indicating the effectiveness of ARIMA in forecasting short-term spatiotemporal RCTT due to a vehicle accident." @default.
- W2921000573 created "2019-03-22" @default.
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- W2921000573 date "2019-06-01" @default.
- W2921000573 modified "2023-09-27" @default.
- W2921000573 title "Forecasting short-term relative changes in travel time on a freeway" @default.
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- W2921000573 doi "https://doi.org/10.1016/j.cstp.2019.03.008" @default.
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