上行线 meaning in Chinese

up line
up link

Construction technology for the upgoing line exit zone of xiejialiang tunnel
谢家梁隧道上行线出口段施工技术
Entry exit gates and ticketing facilities are available at the upline plaza to facilitate passengers travelling to and from the university
新增设的上行线月台出入口，亦设置多部出入闸机及票务设施，方便乘客往来中文大学。
The extension project of university station consists of two major parts , expanding the main concourse at ground level and adding a new upline plaza
大学车站的扩建工程主要包括扩建地面大堂及增设上行线月台出入口两部分工程。