The #79 bus leaves Clackamas Town Center for Oregon City and back. The bus goes past the ADR Center. link to TriMet's #79 schedule

The #31 bus travels from downtown Portland to Hwy 224 and on to Estacada. It stops at 82nd Drive before going on to Estacada, and you can walk down past Fred Meyer to the Center. link to TriMet's #31 schedule