Create README.md

README.md

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+---
+license: cc-by-nc-4.0
+task_categories:
+- text-generation
+language:
+- zh
+tags:
+- transportation
+- route-planning
+- public-transit
+- mobility
+- instruction-tuning
+- benchmark
+pretty_name: TransitLM
+---
+
+# TransitLM
+
+## Dataset Description
+
+TransitLM is a dataset for public transit route planning in Chinese urban environments. It is designed to support training and evaluation of language models that generate structured transit routes from origin-destination information.
+
+The full dataset covers transit planning data from four Chinese cities: Beijing, Shanghai, Shenzhen, and Chengdu.
+
+It includes route-related information such as coordinates, station sequences, transfer structure, line information, and route annotations.
+
+## Dataset Status
+
+This repository is currently being uploaded incrementally. The files currently visible on Hugging Face may represent only part of the full dataset.