G, X.; Wang, L. Optimization of Stop Strategy for Skip-Stop Operation on Citation: Xu, J.; Liang, Q.; Huang, X.; Suburban Railway Line. Appl. Sci. Wang, L. Optimization of Stop Strategy 2021, 11, x. for Skip-Stop Operation on Suburban https://doi.org/10.3390/xxxxx Railway Line. Appl. Sci. 2021, 11,9519. https://doi.org/10.3390/ Academic Editor: Carla Raffaelli appKeywords: urban rail transit; suburban rail; skip-stop; stop strategy; overtaking Keyword phrases: urban rail transit; suburban rail; skip-stop; quit program; overtakingReceived: 8 September 2021 Academic Editor: Carla Raffaelli Accepted: 11 October 2021 Published: 13 October 2021 Received: eight SeptemberAccepted: 11 October 2021 Publisher’s 13 Note: MDPI stays Published: October 2021 neutral with regard to jurisdictionalclaims in published maps and Publisher’s Note: MDPI stays neutral institutional affiliations. with regard to jurisdictional claims inpublished maps and institutional affiliations.Copyright: 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access articleCopyright: 2021 by the distributed below the termsauthors. and Licensee of the Basel, Commons circumstances MDPI,Creative Switzerland. This article an Attribution is (CC open access report BY) license distributed beneath the terms and (https://creativecommons.org/license conditions s/by/4.0/). in the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ four.0/).1. Introduction 1. Introduction With its development of metropolises and urban agglomerations, China is now With its improvement of metropolises and urban agglomerations, China is now planplanning and constructing regional fast rail transit networks inside urban areas and ning and constructing regional rapid rail transit networks inside urban regions and amongst in Pipamperone 5-HT Receptor between urban agglomerations on a large scale. Suburban rail connects the central area of urban agglomerations on a large scale. Suburban rail connects the central area of a metropoa metropolis to its surrounding satellite cities, operates on extended routes with long distances lis to its surrounding satellite cities, operates on long routes with lengthy distances between involving stations, and primarily serves commuters during peak periods. To minimize stations, and primarily serves commuters in the course of peak periods. To minimize commuter commuter travel occasions and boost train utilization efficiency, suburban rail services are travel times and boost train utilization efficiency, suburban rail services are generally usually operated having a combination of express and local trains. This mode of operation operated using a mixture of express and nearby trains. This mode of operation referred referred to mode, mode, express trains can satisfy the demands of passengers who travel more than to as E/L as E/L express trains can satisfy the wants of passengers who travel more than lengthy extended distances, with rapid and direct service, Maresin 1 Metabolic Enzyme/Protease whereas nearby trains accommodate the requirements distances, with rapid and direct service, whereas local trains accommodate the wants of of those traveling more than brief distances along precisely the same route [1]. these traveling more than quick distances along exactly the same route [1]. E/L mode refers to the concurrent operation of each neighborhood trains that cease at each E/L mode refers for the concurrent operation of each regional trains that quit at each and every station and express trains that skip some and even all stations between two points along the station and express trains that skip some and even al.