Article ID Journal Published Year Pages File Type
525249 Transportation Research Part C: Emerging Technologies 2011 30 Pages PDF
Abstract

In this paper we examine the transit network design problem under the assumption of elastic demand, focusing on the problem of designing the frequencies of a regional metro. In this problem, investments in transit services have appreciable effects on modal split. Neglecting demand elasticity can lead to solutions that may not represent the actual objectives of the design. We propose four different objective functions that can be adopted to assume demand as elastic, considering the costs of all transportation systems (car, bus and rail) as well as the external costs, and we define the constraints of the problem. Heuristic and meta-heuristic solution algorithms are also proposed. The models and algorithms are tested on a small network and on a real-scale network.

► We propose models and algorithms for solving the transit network design problem. ► We assume the demand as elastic. ► We apply the model to optimise regional metro frequencies in a real-scale problem. ► We propose and compare several heuristic algorithms. ► Results show that the proposed model and algorithms can solve real-scale problems.

Related Topics
Physical Sciences and Engineering Computer Science Computer Science Applications
Authors
, , ,