Modeling exclusive bus corridors in microsimulators based on GPS-derived speed profiles
DOI:
https://doi.org/10.58922/transportes.v34.e3207Keywords:
Public transport, Automatic vehicle location, Exclusive bus corridor, Traffic microsimulation.Abstract
The calibration of microsimulation models for exclusive bus corridors still faces limitations due to the lack of real data on vehicle speed variation. This study proposes a method to estimate spatial profiles of speed variation based on data from automatic vehicle location (AVL) systems. These profiles were used to calibrate the Gipps car-following model in the Aimsun Next software. The application to a BRT corridor in Fortaleza showed that the estimated profiles effectively capture the expected speed variations in bus behavior along the corridor. However, the calibration and validation revealed discrepancies attributed to operational variability, particularly in passenger boarding and alighting volumes and times at stops, as well as failures in traffic signal coordination, highlighting the need for adjustments. The proposed method demonstrates the potential of using GPS data to calibrate microsimulators, contributing to advancements in modeling and evaluating public transport systems.
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Copyright (c) 2026 Iran Gonçalves Vieira Neto, Antônio Claudio Dutra Batista, Nelson de Oliveira Quesado Filho, Francisco Moraes de Oliveira Neto

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