Sustainable urban facility location: Minimising noise pollution and network congestion

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Sustainable urban facility location: Minimising noise pollution and network congestion

Hammad, Ahmed W A / Akbarnezhad, Ali / Rey, David

Highlights•A multi-objective model is proposed for an urban facility location problem.•Noise pollution and network congestion are adopted as objective functions.•The bi-level facility location problem is re-formulated as a single-level problem.•Benders decomposition is utilised for large instances.•Extensive computational experiments are conducted on the proposed approaches.

AbstractThis paper addresses a multi-objective facility location problem, concerning the location of noise-sensitive and noise-generating facilities in urban environments. To promote sustainable solutions, two main criteria are incorporated within the optimisation model: minimising total noise-threshold violation levels and the total system travel time on the underlying road network. A bi-level formulation is proposed, which is eventually re-formulated into a single-level model. The augmented $ε$ -constraint method is implemented to yield non-dominated solutions. A Benders-Decomposition approach is proposed to handle large instances of the problem. Numerical tests highlight the effectiveness of the proposed solution method in designing the layout of urban regions.