西延高铁全线冷滑试验正式启动

Core Viewpoint - The cold sliding test for the Xi'an to Yan'an high-speed railway has officially commenced, marking a significant step towards the railway's joint debugging and testing phase [1] Group 1: Project Overview - The cold sliding test began on August 18, with a train departing from the Gengzhen Line Station towards Tongchuan, covering a total of over 280 kilometers [1] - The test involves 10 stations and related connecting sections, assessing the geometric parameters of the electrified railway contact network without power [1] Group 2: Significance and Impact - The Xi'an to Yan'an high-speed railway is the first high-speed rail in the revolutionary old area of northern Shaanxi, expected to reduce travel time from 2.5 hours to approximately 1 hour [1] - The completion and operation of this railway will enhance the national high-speed railway network layout and contribute to the rural revitalization of revolutionary old areas [1]