To improve the efficiency of low-mobility population in freeway evacuation, a new contraflowapproach, named bus contraflow, is proposed in this paper. This approach transforms contraflow lanes intoexclusive bus lanes during evacuation. A person-based MOE model is developed to assess the populationevacuation efficiency of contraflow approaches. And a CORSIM simulation road network was used to comparethe performance of the proposed bus contraflow approach with the non-contraflow and conventionalcontraflow approaches, in three scenarios and five groups of assumptions. The simulation results and followingefficiency analysis indicate the potential benefits and widespread applicability of the proposed bus contraflowapproach.
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