The original concrete in the Denver International Airport terminal's main floor is weaker than expected, and the full extent of the problem and results of concrete testing won't be known until April. Great Hall Partners, a private consortium behind a $650 million renovation project, said the problem could a delay of more than 200 days.
A study published in Nature Sustainability says dams create a false sense of security, and that can lead communities to consume water in unsustainable ways. The authors say reduced consumption is a better way to address water shortage issues.
A survey of engineers in Portland, Ore., found roads and bridges are in the most need of attention. However, with the state already at work on projects from 2017's $5.3 billion transportation package, engineers also pointed to a growing need for education and health care facilities, public transit, stormwater management, government buildings, and commercial and seismic upgrades.
Tolling is an effective mechanism for funding highways in heavily traveled states such as Connecticut, writes International Bridge, Tunnel and Turnpike Association Executive Director and CEO Pat Jones, who commends Gov. Ned Lamont's support for tolling cars and heavy trucks. Tolls represent a user fee, which "is important because many who drive through Connecticut pay no fuel taxes and pay nothing to support the state's roadways," Jones writes.
Tolls on the Ambassador Bridge between Detroit and Ontario have been lowered for commuters. The lower rates are in effect at all times and in both directions, while a third lane will open for commuters during peak weekday hours.
Tolls on Qatar highways won't be activated until related road projects are completed in about two years, an official said. The goal of the tolls is to reduce congestion.
Bay City, Mich. is seeking proposals for a public-private partnership to replace the Independence Bridge and rehabilitate the Liberty Bridge. United Bridge Partners is looking to purchase the bridges and implement toll collections.
An estimated 1,700 people have jumped to their death from San Francisco's Golden Gate Bridge, but a new barrier under construction is intended to help address that issue. The project's estimated cost is $200 million, and its scheduled completion date is early 2021.
Data from the Metropolitan Washington Airports Authority show revenue from the Dulles Toll Road in Virginia up 25.6% to $15.3 million for January after a toll increase at the beginning of the year. Toll transactions, meanwhile, were down 7.5% year-over-year in January.
NLEx Corp., which operates the North Luzon Expressway in the Philippines, is pursuing an add-on toll rate for all vehicles. The application is subject to a 90-day period during which it can be reviewed by expressway users.