Density
San Francisco Approves Accessory Dwelling Units
The San Francisco Board of Supervisors has approved legislation that will allow the construction of accessory dwelling units, potentially adding thousands of units to the city's housing supply.

Visualizing Hyperdensity
The most dense neighborhood in Manhattan is surprisingly low-key.

20-Minute Neighborhoods In Detroit
If Detroit needs to be "rebuilt" or "reimagined," why not do so around a walkable, convenient ideal? A compact Motor City where essential goods and services are available within a 20-minute walk?

State Bill Could Spread the Supertall Buildings Around New York
A package of bills making their way through the New York State Legislature could usher in an era of new height in parts of New York City.

Ontario, Canada Working on Sprawl-Killing Legislation
It's hard to imagine a policy that so comprehensively acts to create disincentives for sprawl gaining political traction anywhere in the United States.
The Next Economic Frontier: Cities
Urbanists, test your knowledge of urban economics. Familiar with the concept of agglomeration externality? Finance professor and Bloomberg View writer Noah Smith opines it's a major reason why American cities are not as productive as they should be.
8 Ways Exclusionary Zoning Hurts Cities
The Sightline Institute tackles what may be "our most acute urban public policy challenge."

Battle Lines Drawn Over Density in Charlotte
The Charlotte Observer recently described the landscape of proposed apartment developments in the city of Charlotte.

New Community Plan to Remake Canada's Capital of Sprawl
Abbotsford is the fifth-largest city in British Columbia by population but the largest by land size. The city's most recent community plan is designed to accommodate new growth without sprawling any farther.
Court Ruling Deals Blows to Granny Flat Permits in Los Angeles
Granny flats, also known as mother-in-law units or accessory dwelling units, are a hot button item in most cities. A county court recently took the city of Los Angeles' finger off the button, so to speak.

A Utopian Solution to NIMBYism and High Housing Costs
The housing shortages caused by restrictive zoning are easy to solve in principle—even if the solutions are politically impossible.

Canada Is Looking Better and Better
Alan Mallach unpacks a remarkable project currently underway in Toronto, suggesting that sometimes higher, rather than lower, density may be the best way to go.

Munich Builds New Housing Over Parking Lots
Fed up with all the extra space parked cars occupy, residents of Munich have turned to affordable housing built over already-existing parking lots. The wood-frame structures will be prefabricated and assembled quickly.
Seattle Seeks Density as New Normal
Seattle architect David Neiman writes about his city's attempt to find a new housing form that results in a denser city as appealing as the single family fabric that came before it, while managing all the cars.

A Dissenting Opinion on the Subject of Compact, Affordable Cities
Writing for New Geography, Fannis Grammenos expresses skepticism that more compact cities are more affordable cities. In fact, Grammenos argues that just the opposite is true.
More Anti-Density Measures Headed to the Ballot in Southern California
Witness the full force of anti-development animus in Southern California, where at least three cities are facing variety of backlash to the status quo of zoning and development processes.

Finding Middle Ground in the Density Debate
Writer Alex Marshall looks to Kitsilano, a Vancouver neighborhood, for urban infill done right. Skyscrapers and mid-rise developments aren't always necessary to achieve more people per square foot.
Mountain View Breaks Rank—Approves Large Amount of New Residential Land Uses
According to a new plan approved by the city of Mountain View, developers could now add a large amount of dense housing on the doorstep of Google's headquarters.

The Same Old Misconceptions
Misconceptions about New Urbanism persist.
Op-Ed: San Diego Should Look to Beaches to Increase Density
San Diego should look to its beach communities and its major intersections to achieve its housing and Climate Action Plan goals while minimizing community polarization, writes urban planning consultant Howard Blackson.
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.
EMC Planning Group, Inc.
Planetizen
Planetizen
Mpact (formerly Rail~Volution)
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research
NYU Wagner Graduate School of Public Service