New Michigan Gov. Gretchen Whitmer (D) has asked for an opinion from Attorney General Dana Nessel (D) on whether legislation to keep Enbridge's Line 5 pipeline under the Straits of Mackinac and form the new Mackinac Straits Corridor Authority is constitutional.
Maryland officials are scrambling to find another strategy to finance the $425 million expansion of an aging Baltimore freight rail tunnel, following CSX Transportation’s withdrawal from the project earlier this month.
Bertha, the tunnel-boring machine that recently completed a 9,270-ft tunneling journey underneath downtown Seattle has reached the halfway point of another milestone: disassembly.
After examining several alternatives for a new crossing of Hampton Roads in southeastern Virginia, the region’s transportation leaders have opted to focus on expanding the capacity of its existing infrastructure.
An approximately four-mile-long, 18-ft-diameter and 200-ft-deep
tunnel to mitigate storm water and combined sewer overflow into the Connecticut River and Long Island Sound is slated to begin construction this month.
Now that 17 years of construction to build the world’s longest tunnel is ramping down, a massive project to expand Alpine infrastructure soon will launch.