Breached levees are a major concern for riverside cities; New Orleans struggled with their disastrous results after Hurricane Katrina. While shoring and sandbagging have been relied upon in the past, new methods for stopping breaches are emerging.
The Economist reports on some of these new technologies and techniques, including some that use the power of water itself to prevent levee breaches.
"The largest of the new devices is designed to block deep breaches. The Portable Lightweight Ubiquitous Gasket (PLUG) is a sausage-shaped balloon made of polyester and PVC, and fitted with motorised pumps. When dropped into a river (usually by helicopter), PLUG's pumps switch on automatically and begin forcing water into the balloon through a valve. The air thus displaced is expelled through a second valve until the device is 80% full, at which point the pumps shut themselves down."
Read the full story: Dambusterbusters
As the Mississippi River Rises, So Does the Threat to New Orleans
Climate change and channelization have made high water levels the norm along the river. But low-lying New Orleans lies in its path, and the consequences could be monumental.
Texas town says border wall could compromise flood prevention infrastructure
Presidio is suing the Trump administration, saying its plan to replace a levee with a concrete wall could put the town at risk of catastrophic floods.
The Straw That Breaks The Infrastructure's Back
Using five examples, this piece from The New York Times looks at how small problems can lead to huge issues in America's aging infrastructure.
Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.
Amtrak, CN end decades-long dispute with eight-year agreement
The new operating agreement establishes an updated framework for the companies to work together, including processes to resolve disputes.
Northwest rail fans eager for Sept. 30 debut of Amtrak’s Airo fleet
Get ready for that new train smell and more seats. But they won’t go faster or run more frequently on the Cascades route in Washington and Oregon.
LAX SkyLink opening delayed again, contractor won’t commit to new deadline
The project was supposed to open its doors to the public in 2023.
Caltrain may slash over one-third of its stations
If Bay Area voters reject two transit tax measures, Caltrain, BART and AC Transit will see steep service cuts.
A 'dangerous' precedent: North Carolina successfully pressures communities into voting for toll roads
Two mayors resigned from the Charlotte Regional Transportation Planning Organization after it voted in favor of the toll roads.
FREE Course: Walkable City 1: Why Walkability?
After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.
Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold
The course focuses on the opportunities and imperatives that shape reinvention of mall sites.
City of Thousand Oaks
City of Wisconsin Rapids
Harvard University Graduate School of Design
The Architects Foundation
University of Cincinnati Online
The Pocatello Development Authority
The Urban Renewal Agency of the City of Pocatello