Modal shift analysis of road-based to rail-based public transport: The case of the north commuter rail

Date of Publication

4-3-2024

Document Type

Master's Thesis

Degree Name

Master of Science in Civil Engineering

Subject Categories

Civil Engineering | Engineering

College

Gokongwei College of Engineering

Department/Unit

Civil Engineering

Thesis Advisor

Alexis M. Fillone

Defense Panel Chair

Maria Cecilia R. Paringit

Defense Panel Member

Nicanor R. Roxas, Jr.
Raymund Paolo B. Abad

Abstract/Summary

The North-Commuter Railway Line (NCRL) has been part of the Philippine government’s Build! Build! Build! Programs seeking to address mobility problems due to lack of interregional transport infrastructure. At current state, the only public transportation mode that traverse the whole Clark-Metro Manila Corridor is through Public Utility Buses (PUBs). Given that a new transport mode is to be introduced to the public, an investigation as to the modal shift probabilities is required to identify the significant mode attributes affecting the mode choice of the traveling population.

The main objective of this study is to develop a mode choice utility model for bus trips from Pampanga to Metro Manila. Revealed Preference (RP) and Stated Preference (SP) survey methods were employed to capture existing travel behavior and their application into the additional transport mode. A total of sixteen (16) theoretical scenarios, blocked into two (2), were presented to the respondents to solicit their discrete choice between the observed and designed values. Stratified sampling on six (6) major bus terminals- Dau, SM Clark, Avenida, Pasay, Cubao, and Trinoma, was utilized in order to appropriately sample the target traveling population. A total of 804 responses were obtained, all duly synthesized and screened for its validity.

The synthesized data served as input for logit modeling through LIMDEP NLOGIT software. Statistical performance indicators, logical signs, and model fit were monitored together with results of chi-critical tests.

Results revealed that all main effects (access time, in-vehicle travel time, capacity-to-pay, and comfortability rating) were found to be statistically significant and met the expected logical signs. Access time, in-vehicle travel time, and capacity-to-pay all turned out to be a disutility to both modes (PUB and NCRL), while comfortability rating turned out to be a utility for both modes. Further, the interaction effect between the in-vehicle travel time and access time was found to be statistically significant, but failed to meet the logical sign.

The consideration of relocation also turned out to be statistically significant at 10%, and was found to be a utility for NCRL. A significant portion of the respondents considers having a new job or transferring job as their main consideration for relocation. Considering that majority of the bus passengers currently rent their residence, relocation upon the operationalization of NCRL is possible. The prevailing market value of monthly rents or payments reveals that the current monthly rent ranges from Php 0 to Php 10,000.

Out of all the main effects, the in-vehicle travel time and capacity-to-pay of the individual turned out to be relatively elastic at both direct and cross elasticities. The access time and comfortability rating are not sensitive to modal shift, indicating that these attributes do not call for immediate improvement.

The final choice model resulted to 72.76% accuracy, indicating that the empirical findings of the study is considered reliable. About half of the PUB passengers are predicted to shift to the rail service upon its operationalization.

Abstract Format

html

Language

English

Format

Electronic

Keywords

Public works—Philippines

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Embargo Period

4-2-2024

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