Mackinac Straits Enbridge refuses to shut down Line 5 By Lester Graham • 17 hours ago Courtesy enbridgeus.com The operator of the dual pipeline under the Straits of Mackinac is refusing the State of Michigan’s demand to shut it down. Governor Whitmer considering oil pipeline tunnel at Straits By Max Johnston • Apr 17, 2019 Flickr User abarndweller / https://flic.kr/p/2KDzSk Governor Gretchen Whitmer is reportedly considering a tunnel for an oil pipeline in the Straits of Mackinac. Snyder appoints new member to authority overseeing Line 5 tunnel days before first meeting By Ben Thorp • Dec 18, 2018 Justin Billau / https://flic.kr/p/8eLhok Governor Rick Snyder has replaced two-thirds of the Mackinac Straits Corridor Authority members just days before the group is expected to approve a controversial tunnel beneath the Straits of Mackinac. Listen Listening... / 0:46 Democrat resigns from new Corridor Authority one day after appointment By Max Johnston • Dec 14, 2018 Flickr User Deb Nystrom / https://flic.kr/p/81utAE Governor Snyder had to replace one of his appointees to the Mackinac Straits Corridor Authority. The authority will oversee the construction and operation of a tunnel for a new oil pipeline in the straits.