As land becomes more scarce and traffic gets progressively worse, Southern California's transit planners begin to look seriously at underground highways.
"But Los Angeles is in its 18th year as the nation's most congested metropolis, freeways have little or no space for new lanes and traffic experts are running out of time-shaving options.
So civic leaders are joining engineers to consider burrowing the longest highway tunnels in America.
...Three massive projects are under study in Southern California, each dwarfing any of the nation's 337 underground roadways, including the 2.6-mile tunnel in Boston's infamous "Big Dig," the most costly public works project in U.S. history.
...Southern California, with its mountainous terrain, underground aquifers and seismic vulnerabilities, may prove the ultimate testing ground for subterranean highways."
FULL STORY: With Traffic at a Crawl, Planners Talk of Tunnels
Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.
USGS Water Science Centers Targeted for Closure
If their work is suspended, states could lose a valuable resource for monitoring, understanding, and managing water resources.
End Human Sacrifices to the Demanding Gods of Automobile Dependency and Sprawl
The U.S. has much higher traffic fatality rates than peer countries due to automobile dependency and sprawl. Better planning can reduce these human sacrifices.
Seattle Transit Asked to Clarify Pet Policy
A major dog park near a new light rail stop is prompting calls to update and clarify rules for bringing pets on Seattle-area transit systems.
Oregon Bill Would End Bans on Manufactured Housing
The bill would prevent new developments from prohibiting mobile homes and modular housing.
Nashville Doesn’t Renew Bike Share Contract, Citing Lost Federal Funding
The city’s bike share system, operated by BCycle, could stop operating if the city doesn’t find a new source of funding.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
City of Moorpark
City of Tustin
Tyler Technologies
City of Astoria
Transportation Research & Education Center (TREC) at Portland State University
Chaddick Institute at DePaul University
Regional Transportation Commission of Southern Nevada
Toledo-Lucas County Plan Commissions