A motorist who had stopped to help another driver spotted human remains off Interstate 95 in Canton today, officials report.The discovery in the southbound lane near the 95/93 interchange has police investigating, with the Norfolk District Attorney's Office saying "the remains will be removed to the Office of the Chief Medical Examiner in Boston for autopsy – likely to be conducted tomorrow."The remains were spotted "a modest distance off the roadway," officials added.The case remains under investigation.Developing ...