You can take your bike on buses for all the transit agencies shown on the map above without needing a permit. Extra fees may apply in some cases. See the transit agency website for details.
Bicycle lockers (secure, dry enclosures for bicycles) are also available in downtown Portland & near transit lines throughout the Metro area; also, some TriMet transit centers now have Bike & Ride stations (secure, enclosed, limited-access rooms for parking bikes).
For bicycle parking information at locations outside of Portland: