城際鐵路場站容量評估模式

STATION CAPACITY ANALYSIS MODEL FOR INTERCITY RAILWAYS

在政府推動各項鐵道系統建設之際，為了避免過度設計導致浪費或設計不足不敷需求，容量分析是必不可少的重要工作。對於城際鐵路而言，站內軌道與月臺配置複雜的場站可能成為容量瓶頸處，但也因其多樣的配置方式與多種的衝突進路，使得在容量分析上具有一定的難度。過去交通部運輸研究所發展傳統鐵路之容量分析模式，惟僅能針對幾種常見的車站配置進行分析，應用上有所侷限，因此本研究乃針對城際鐵路之場站，考量進路、行駛路徑、交通組成、站內停靠時間與號誌安全時距等因素，發展一套場站容量評估模式。最後以臺鐵基隆站進行案例分析，其場站容量為平均每小時約6列車，與臺鐵的認知相符，此外，本研究亦透過模式進一步探討造成容量瓶頸之主要因素，來提出可能的改善方向。

As the government promotes various railway system constructions, capacity analysis is indispensable to avoid over-design leading to wastage or under-design failing to meet demand. For intercity railways, stations with complex track and platform configurations may become capacity bottlenecks. However, the diverse configurations and multiple conflict routes make capacity analysis challenging. Previous capacity analysis models developed by the Institute of Transportation for conventional railways could only analyze a few common station configurations, limiting their applicability. Therefore, this study focuses on intercity railway stations and develops a station capacity assessment model considering factors such as routes, paths, traffic composition, dwell times, and signal safety intervals. Finally, employing Keelung Station as a case study revealed a capacity of approximately 6 trains per hour, aligning with Taiwan Railway's projections. Moreover, this research delves deeper into identifying the key factors contributing to capacity bottlenecks through the model, suggesting potential avenues for enhancement.