81-Kane/
81-Kane/257th 提供每日往返于 和Troutdale机场之间的服务，途经Hood、Powell、3rd、Kane/257th、Graham、Frontage、Sundial和Swigert路段。Gresham Central Transit Center
81 号线时间表
Service alert in effect:
Beginning Monday, June 1, TriMet Customer Service Contact Center will be available only on weekdays from 7:30 a.m. until 5:30 p.m. and will not be available on Saturdays or Sundays. Effective immediately, Lost & Found hours are Monday through Friday from 10:00 a.m. to 6:00 p.m.