TRAVERSE CITY — Construction of the Enbridge Line 5 tunnel under the Straits of Mackinac could begin early next year if the project clears two remaining regulatory hurdles, according to company ...

New Delhi: The Delhi Metro Rail Corporation (DMRC) completed the construction of an underground tunnel between Kishangarh and Vasant Kunj Station on t.

A 2,918-foot-long tunnel for smuggling narcotics has been found beneath the US-Mexico border between Tijuana and San Diego, border agents say.

The Tunnel That Leads Underneath a Hospital in Southern Gaza To Israelis, the location of an underground passageway highlights Hamas’s abuse of civilians.

This year, the Tunnel to Towers Foundation is marking the event's ninth anniversary at One World Trade Center, which honors the lives of 9/11 first responders.

Army Corps of Engineers study found a tunnel would have a "beneficial cumulative effect" on reducing the risk of a crude oil leak from the pipeline.

The Edwards Aquifer Authority has issued Stage 5 restrictions for those who have permits to pump from the Edwards Aquifer.

Amtrak is moving full speed ahead with tunnel closures in the city on Friday — despite pleas from Gov. Kathy Hochul and Mayor Eric Adams who fear the three-year project could cause transit chaos ...

Water levels in the Ogallala Aquifer are dropping, threatening Kansas farming and spurring legislation and conservation efforts to address the growing crisis.

The White Earth Nation has proposed a casino-resort complex on land above the Buffalo Aquifer, a source of Moorhead's water.

The Friends of Sutro Tunnel and the Dayton Chamber of Commerce are holding a grand opening celebration of the Sutro Tunnel’s 200-foot extension on June 7.

More than 40 downtown Nashville buildings share the same central HVAC system via a vast underground tunnel network city leaders want to expand.