Effective modal shift policies require accurate valuation of the external costs associated with freight transport. However, South Korea’s logistics policy currently relies on valuation parameters that have not been systematically updated since 2013. This study recalibrates the unit benefits of shifting freight from roa...
Daejin Kim, Gwanyong Oh, Hyunseung Kim et al.· Systems· 0 citations
Last-mile delivery is constrained by manual cargo handling, which consumes a large share of the operating window and limits the number of delivery rounds per shift. This study evaluates the operational and economic effects of the Automated Horizontal Loading and Unloading System (AHLUS), a retrofittable in-vehicle tech...
Traffic microsimulation routinely generates second-by-second speed trajectories that contain nonphysical fluctuations in acceleration and jerk, which can lead to systematic overestimation of vehicular emissions. This study presents Trajectory Refinement for Emission Modeling (TRIM), a platform-independent post-proces...
S. Qin, Hao-Bing Liu, Daejin Kim et al.· Transportation Research Reco...· 0 citations
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