Infrastructure
How Many Bikes is Too Many?
Is it possible for a city to have too many bikes? In Amsterdam, a city known as much for its cycling culture as for its canals, the battle for street space and parking spaces has some residents pondering whether there are too many bikes.
The Ideal City is....an Equation?
What is the apt metaphor for a city? Machines? Insect colonies? In a new paper, physicist Luis Bettencourt says that if we look to the function of cities we find that they're essentially social reactors that obey universal mathematical parameters.

Miami Beach Makes Transportation Infrastructure Sexy
From parking garages to its bike-share program, and streetscape improvements to trails that integrate nature and city life, Miami has taken a stylish but pedestrian-friendly approach to transportation decisions, says Claudia Kousoulas.
Brazil Bus Fare Increases Rescinded; Will Mass Protests End?
The mass protests that have swept through Brazilian cities over the past week where sparked by planned bus fare increases, but quickly expanded to encompass a variety of complaints. Will the protests end now that fares have been lowered?
Highway Robbery: America's Trillion Dollar Dirty Little Secret
It’s time to recognize that we can’t maintain the roads we have now, and that continuing down the path of highway expansion is both unaffordable and unnecessary, writes Stu Sirota.
With Improvements, Baltimore Seeks to Steal D.C.'s Thunder...and Residents
The last decade has brought tremendous growth and prosperity to Washington D.C., but it's neighbor to the north hasn't been so blessed. Planned infrastructure improvements are intended to lure new residents to Baltimore's cheaper cost of living.
Hybrid and Electric Vehicle Fees are Here to Stay, and Spreading
It may seem counter-intuitive to charge extra fees for the cleanest, most fuel-efficient vehicles on the road today - including those that qualify for a federal $7,500 credit. But ten states are doing just that to keep roads well-funded.
America's Most Urban President Should Embrace Its Cities
While he cannot do much to rewrite the Constitution, which favors rural America, or reverse a century of history, which gave rise to the suburbs, Obama, the most urban president, can do more to embrace the city as an innovation incubator.
Iowa Gov. Rules Out Taxes, Fees, and Tolls to Fund Transportation Projects
To the chagrin of many state legislators, Gov. Terry Branstad opposes new revenue measures to fund transportation projects, as he believes he is following the wishes of his constituents. Tax cuts, not increases, are on his agenda.
Chicago's $218 Million Unfinished Basement
Greg Hinz tours the unfinished 'superstation' under Block 37 in the central Loop, built by the Chicago Transit Authority at a cost of $218 million. It would cost an estimated $150 million to complete, a sum that's unlikely to be raised anytime soon.
How Will the Government Manage China's Great Urban Leap?
Ian Johnson explores a pivotal moment in China's development, as the country seeks to migrate 250 million rural residents to cities in the next 12 years. Observers speculate on how a comprehensive urbanization plan will achieve this transition.
Celebrating the Federal Gas Tax
Tax attorney Kelly Phillips Erb pens a colorful narrative upon the 81st birthday of the federal gas tax, showing the interesting history of this now controversial tax. It began on June 6, 1932 to close general budget gaps, not build roads.
New Signs for New York City Beaches in Sandy's Wake
New York City is marking its continued recovery from Superstorm Sandy with redesigned beach signs.
San Francisco Shares Responsibility for Building a Resilient City
The City of San Francisco announced this week that the numerous sharing economy companies headquartered in the the Bay Area will work with public officials to utilize their technologies in enhancing the city's disaster preparedness and response.
Suburban Poor? Are You Sure?
Brookings Institute's “Confronting Suburban Poverty” is generating a lot of buzz. Community development leaders and planners took to Rooflines to voice opinions and critiques of the book, moving its authors to submit a response that you must read.
Efforts to Boost Walkability Meet Hostility in Twin Cities’ Suburbs
A fragmented network of sidewalks is commonplace in the suburbs of Hennepin County, Minnesota. Mary Jane Smetanka reports on controversial efforts to fill in the gaps and retrofit these suburban neighborhoods as walkable places.
A Streetcar to Desire: An Argument for Converting Roads to Rails
Terra Nova author Eric W. Sanderson builds a refreshingly wonky case for a modern streetcar revival.
New York Plans $20 Billion Battle Against Climate Change
On Tuesday, Mayor Bloomberg outlined an ambitious $20 billion plan to adapt New York City's infrastructure and built and natural environments to respond to the threats of rising seas and extreme storms.
Old-Age Adaptation: Our Next Great Urban Challenge
Americans are living longer and changing the demographic profiles of our cities in the process. Planners are just beginning to understand how our streets and systems must adapt to accommodate this trend.
Finding Room for a Million More New Yorkers
New York City's population is expected to grow by one million residents by 2040. But where can housing be built to accommodate all these new residents? A new report from a Columbia University think tank identifies the most promising candidates.
Pagination
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.
Ada County Highway District
Clanton & Associates, Inc.
Jessamine County Fiscal Court
Institute for Housing and Urban Development Studies (IHS)
City of Grandview
Harvard GSD Executive Education
Toledo-Lucas County Plan Commissions
Salt Lake City
NYU Wagner Graduate School of Public Service