155-Sunnyside
155-Sunnyside runs between Clackamas Town Center and Happy Valley, along Sunnyside.
Line 155 Schedules
Monday—Friday
Effective Jan. 19, 2026 On Monday, January 19, buses and MAX will operate on Sunday schedules in observance of Martin Luther King Jr. Day. If your bus line does not run on Sundays, it will not be in service. WES Commuter Rail and Portland Aerial Tram will not be in service. TriMet Customer Support Center at Pioneer Courthouse Square and TriMet Customer Service will be closed. For more info, see: trimet.org/holidays More