The O-Train Line 1 will close for the day Saturday, to conduct more testing on the Stage 2 O-Train East extension. “This temporary closure is required for system integration testing of train ...

SEATTLE — Link light rail service will be temporarily suspended between Capitol Hill and SODO stations this weekend to accommodate critical systems integration testing, Sound Transit announced ...

During the testing phase, RTSO will carry out checks on the integration between the train and other rail systems, such as the signalling system, platform screen doors, and onboard communications ...