CALGARY It’s nearly 70 years old and has been carrying crude from Western Canada, through the U.S., to Eastern Canada but one U.S. governor wants that halted. Michigan Gov. Gretchen Whitmer told Calgary-based Enbridge to shut down operations on Line 5 as of May 12. That has not happened because the company says the state doesn t have the authority. We will not stop operating the pipeline unless we are ordered by a court or our regulator to do so, which we view as highly unlikely, a statement from Enbridge read on Monday. “Line 5 is operating safely, reliably and is in compliance with the law.