Travelers who have bought tickets online can use their IDcards instead of waiting in line for paper tickets.
网上购票的旅客可以用他们的身份证验票,不需要排队购买纸质票。
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Since 2011, passengers have been able to swipe their IDcards at self-service machines to take the Beijing-Tianjin high-speed railway and Beijing-Shanghai high-speed railway.