The Zhengzhou -- Xi'an High - Speed Railway also serves Xi'an .
China Railway High - speed 2 now run an express services from Xi'an to Baoji and Xi'an to Zhengzhou ; with a total running time to Baoji of under 90 minutes , and 2 hours to Zhengzhou .
The Zhengzhou             also serves Xi'an .
China Railway High - speed 2 now run an express services from Xi'an to Baoji and Xi'an to Zhengzhou ; with a total running time to Baoji of under 90 minutes , and 2 hours to Zhengzhou .