▁services : ▁the ▁ ▁A ▁Loop , ▁which ▁runs ▁clock wise , ▁and ▁the ▁ ▁B ▁Loop , ▁which ▁runs ▁counter clock wise . ▁Each ▁service ▁travel s ▁a ▁loop ▁on ▁both ▁sides ▁of ▁the ▁Will am ette ▁River , ▁crossing ▁it ▁on ▁the ▁Broadway ▁Bridge ▁in ▁the ▁north ▁and ▁T il ik um ▁Cross ing ▁in ▁the ▁south . ▁The ▁route ▁connect s ▁Port land ' s ▁dow nt own , ▁Pear l ▁District , ▁Lloyd ▁District , ▁Central ▁East side , ▁and ▁South ▁Water front . ▁It ▁serves ▁the ▁city ' s ▁various ▁land marks ▁and ▁institutions , ▁including ▁the ▁Rose ▁Qu arter , ▁the ▁Oregon ▁Convention ▁Center , ▁the ▁Oregon ▁Museum ▁of ▁Science ▁and ▁Indust ry ▁( O MS I ), ▁Oregon ▁Health ▁and ▁Science ▁University ▁( OH SU ), ▁and ▁Port land ▁State ▁University ▁( PS U ). ▁ ▁Port land ▁city ▁officials ▁first ▁proposed ▁building ▁an ▁east side ▁street car ▁line ▁in ▁ 1 9 9 7 , ▁at ▁the ▁same ▁time ▁the ▁city ▁council ▁author ized ▁the ▁construction ▁of ▁Port land ' s ▁first ▁modern ▁street car ▁line ▁on ▁the ▁west ▁side . ▁After ▁several ▁years ▁of ▁planning , ▁the ▁city ▁council ▁approved ▁the ▁East side ▁Loop ▁extension ▁in ▁ 2 0 0 8 ▁and ▁held ▁the ▁line ' s ▁ground bre aking ▁the ▁following ▁year . ▁The ▁extension ' s ▁first ▁ ▁opened ▁between ▁the ▁Broadway ▁Bridge ▁and ▁O MS I ▁on ▁September ▁ 2 2 , ▁ 2 0 1 2 . ▁It ▁was ▁inaugur