The overcrowded phenomena recurrently existing at some stations and line segments in Taipei Metro during peak hours have seriously deteriorated the service quality and even caused the safety problems.

• 台北捷运系统目前尖、离峰票价相同，导致尖、离峰旅运量相差甚大。尖峰时段人潮众多，捷运系统承载量供给不敷需求，产生特定路线或车站相当拥挤的现象，甚至影响乘客安全。