Wang, Shuaian; Meng, Qiang; Yang, Hai - In: Transportation Research Part B: Methodological 50 (2013) C, pp. 42-60
This paper addresses the discrete network design problem (DNDP) with multiple capacity levels, or multi-capacity DNDP for short, which determines the optimal number of lanes to add to each candidate link in a road network. We formulate the problem as a bi-level programming model, where the upper...