Slow traffic language design - a case study of Xizhimen subway station of Beijing

Explain the need for rail slow traffic language design, outlining its design principles, and taking Beijing Xizhimen subway station as an example to launch on-the-spot investigation, summarizing the designing defections of the Xizhimen subway station slow traffic language design. Combination of domestic and international rail traffic slow language design principles, and recommendations on China's track slow traffic language system design.