Xulan Passenger Dedicated Line is a route network system the compare of several sections and it is part of one across of the Four Straight Four Across national grid systems.

Xulan Passenger Dedicated Line is composed of the following sections between Xuzhou to Lanzhou, along corridors of existing Longhai Railway: Xuzhou

Xuzhou

Xuzhou , otherwise known as Pengcheng in ancient times, is a major city in and the fourth largest prefecture-level city of Jiangsu province, People's Republic of China...

‧--Zhengxu--‧Zhengzhou

Zhengzhou

Zhengzhou , is the capital and largest city of Henan province in north-central China. A prefecture-level city, it also serves as the political, economic, technological, and educational centre of the province, as well as a major transportation hub for Central China...

‧--Zhengxi

Zhengxi Passenger Railway

The Zhengzhou–Xi'an High Speed Railway, also known as the Zhengxi Passenger Line , is a high-speed railway line connecting the cities of Zhengzhou and Xi'an, in the People's Republic of China...

--‧Xi'an

Xi'an

Xi'an is the capital of the Shaanxi province, and a sub-provincial city in the People's Republic of China. One of the oldest cities in China, with more than 3,100 years of history, the city was known as Chang'an before the Ming Dynasty...

‧--Xibao--‧Baoji

Baoji

Baoji is a prefecture-level city in Shaanxi province, China.-Geography:The prefecture-level city of Baoji has a population of 3,716,731 according to the 2010 Chinese census, inhabiting an area of . The city itself has a population of approximately 800,000. Surrounded on three sides by hills,...

‧--Baolan--‧Lanzhou

Lanzhou

Lanzhou is the capital and largest city of Gansu Province in Northwest China. A prefecture-level city, it is a key regional transportation hub, allowing areas further west to maintain railroad connections to the eastern half of the country....

.

The entire route has a design speed of 350 km/h, and lengths of 1400 km in total, connecting East China

East China

East China is a geographical and a loosely-defined cultural region that covers the eastern coastal area of China.Although an intangible and loosely defined concept, for administrative and governmental purposes, the region is defined by the government of the People's Republic of China to include...

 and Northwest China.