根据《北京市地铁运营有限公司“十二五”发 展规划》，阐述北京地铁所处的发展环境、发展基础及 面临的主要挑战，分析北京市地铁运营有限公司的定 位、使命，论述未来发展的指导思想、基本原则、总体思 路和建设“六型地铁”的目标举措。

According to the Twelfth Five-Year Development Plan of Beijing Mass Transit Rail Operation Corporation ( BMTROC) ， the article introduces the future development of BMTROC including the development background and basis and main challenges， analyses the orientation and missions of BMTROC，elaborates the development guidelines，basic principles and general thoughts， and expounds the goal and measures for building six-type ( safety，people oriented，high efficient，resource-saving，convenient and fast，innovative) subway

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