Optimal transit service atop ring-radial and grid street networks: A continuum approximation design method and comparisons

Haoyu Chen, Weihua Gu, Michael J. Cassidy and Carlos F. Daganzo

Transportation Research Part B: Methodological, 2015, vol. 81, issue P3, 755-774

Abstract: Two continuum approximation (CA) optimization models are formulated to design city-wide transit systems at minimum cost. Transit routes are assumed to lie atop a city’s street network. Model 1 assumes that the city streets are laid out in ring-radial fashion. Model 2 assumes that the city streets form a grid. Both models can furnish hybrid designs, which exhibit intersecting routes in a city’s central (downtown) district and only radial branching routes in the periphery. Model 1 allows the service frequency and the route spacing at a location to vary arbitrarily with the location’s distance from the center. Model 2 also allows such variation but in the periphery only.

Keywords: ISTTT21 EA NO 38; Transit network; Continuum approximation method (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (40)

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DOI: 10.1016/j.trb.2015.06.012

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