The city of Pensacola, Fla., sought assistance from cybersecurity experts in the wake of a cyberattack that crippled the city's communications and city hall, Mayor Grover Robinson announced Monday. Officials confirmed Tuesday that the service interruption was linked to a ransomware attack.

Attorneys general from 18 states want the Supreme Court to reverse a ruling stating the US Forest Service had no authority to grant rights of way for construction of the Atlantic Coast Pipeline across the Appalachian Trail. West Virginia, which is leading the coalition, says work stoppage has adversely affected the state economy.

The public-private partnership board of the Pennsylvania Department of Transportation has approved reconstruction of 4.5 miles of Interstate 81 near Wilkes-Barre. The project is a good opportunity for a "design-build-finance-maintain type agreement," says Michael Bonini, director of the department's P3 office.

A $600 million project to renovate and expand the terminal lobby at North Carolina's Charlotte Douglas International Airport has broken ground. The latest phase in the Destination CLT project adds 175,000 square feet and renovates 191,000 square feet.

A weakening equipment market has forced Deere to lay off 57 workers at a plant in Davenport, Iowa. The company expects sales of forestry and construction equipment to decline 10% to 15% during the next fiscal year.

Researchers are drawing on vibration-control technology used in Formula One racing to enable construction of narrow skyscrapers that endure strong wind. The goal is development of compact, lightweight inerters that replace pendulumlike devices used in tall buildings to counteract wind-induced movement.

US District Judge David Briones has ruled the Trump administration cannot divert $3.6 billion from 127 military construction projects to build a border wall. The ruling doesn't affect $2.5 billion in wall spending originally earmarked for counterdrug operations.

Virginia needs to increase gas tax next year or find other funding sources to avoid a decline in funds for road construction and other projects, state Transportation Secretary Shannon Valentine says. "Virginia's transportation [funding] system is simply not sustainable the way we are going," Valentine says.

Missoula, Mont.'s efforts to replace leaky water pipes has saved the city 930,000 gallons of water per day this year, according to Missoula Water. Crews this year have replaced more than 14,000 feet of water main, some of which was more than a century old.

Virgin Trains USA expects to break ground in the latter half of 2020 on its high-speed line between Las Vegas and Southern California. Initial work will likely begin in about five different areas in California, with construction in Nevada likely to begin in 2021, according to Tina Quigley, vice president of business strategy at Virgin Trains.