Ankara's public transport crisis is commonly framed as a shortage of buses or operational inefficiency. This study argues that the problem is fundamentally morphological and structural. The city's leapfrog urban expansion has produced fragmented peripheral clusters disconnected from a rigid, center-oriented bus network. As a result, demand remains intensely concentrated along the Kizilay-Ulus axis and western corridors, while peripheral districts experience either chronic under-service or enforced transfer dependency. The deficiency is therefore not merely quantitative but rooted in the misalignment between urban macroform and network architecture. The empirical analysis draws on a 173-day operational dataset derived from route-level passenger and trip reports published by EGO under the former "Transparent Ankara" initiative. To overcome the absence of stop-level geospatial data, a Connectivity-Based Weighted Distribution Model reallocates passenger volumes to 1 km x 1 km grid cells using network centrality. The findings reveal persistent center-periphery asymmetries, structural bottlenecks, and spatially embedded accessibility inequalities.

翻译：安卡拉公共交通危机常被归因于巴士数量不足或运营效率低下。本研究认为，该问题本质上是形态与结构性的。城市的蛙跃式扩张形成了与僵化的中心导向型巴士网络脱节的碎片化边缘集群，导致出行需求高度集中于克孜拉伊-乌鲁斯轴线及西部走廊，而外围区域则长期面临服务不足或被迫依赖换乘的困境。因此，交通缺陷不仅是数量问题，更源于城市宏观形态与网络架构的错位。实证分析采用EGO在前"透明安卡拉"倡议下发布的173天线路级乘客与行程运营数据集。针对站点级地理空间数据的缺失，本研究通过基于网络中心性的连通性加权分布模型，将客流量重新分配至1公里×1公里的网格单元。研究结果揭示了持续的中心-边缘不对称性、结构性瓶颈以及空间嵌入式的可达性不平等。