TriMet is beginning two seasonal shuttles to OMSI and Washington Park. The OMSI shuttle operates between the Oregon Convention Center MAX station and OMSI between 9:10 a.m. - 7:10 p.m. and runs several times an hour.
You can connect to the Washington Park shuttle at the Washington Park MAX station between 10:00 a.m. - 7:00 p.m. The shuttle stops at all the park's major attractions.
Click here for more information.