01099546

Component

This work extends the network design problem (NDP) to the proposed road space allocation problem (RSAP), which finds the optimal lane configuration on each link in a road network that minimizes total system cost in a road network. To address efficiency and equity issues arising from road space allocation, this problem seeks the optimal alternative set, subject to an equity constraint, among various alternative sets that may include toll lanes, bus lanes, and roadway widening. In addition, an internal toll-funding scheme is incorporated here. This RSAP is formulated as a bi-level programming problem with an upper-level problem that optimally allocates road space and a lower-level problem that evaluates travelers' mode and route choices in response to each alternative. A multiclass, multimodal network equilibrium model is devised to efficiently evaluate road space allocation alternatives. To solve the combinatorial optimization problem, a heuristic algorithm based on simulated annealing is presented and applied to an example problem.

01084478

08-2873

English

19p

2008

Transportation Research Board 87th Annual Meeting

DVD

Figures (2) ; References (16) ; Tables (4)

Highway design; Highway facilities; Mode choice; Multimodal transportation; Route choice; Toll roads; Transportation planning; Travel surveys

Bilevel programming; Network design problem

Highways; Planning and Forecasting; Society; I72: Traffic and Transport Planning

Transportation Research Board Annual Meeting 2008 Paper #08-2873

TRIS, TRB

Jan 29 2008 5:21PM