New York

Courtesy: Little Free Library

A Library Without the Building

A handful of new programs offer books in public spaces to anyone who wants them

Reuters

2011's Biggest Transportation Failures

The end of the Tampa-Orlando high-speed rail line, the death of a pedestrian near Atlanta and other low points from the year in city travel

The City and the Graphic Designer: An Interview With Olimpia Zagnoli

A unique approach to developing iconography for 150 different cities

Flickr/Blikeng

The Geography of the Year in Music

The cities with the most singles on Pitchfork's 2011 "Best of" list

Bixi

Bike-Sharing for the Unbanked

D.C. tries to find a way to include residents who don't have credit cards

Una Arquitetos

12 Eye-Catching Storefronts

A dozen facades that are sure to attract curious shoppers

Oh Choong Young

The Best City Time Lapse Videos of 2011

From New York to Los Angeles to Barcelona to Seoul and beyond

Courtesy of the Moynihan Station Development Corporation

Can Amtrak Afford Its New NYC Home?

As construction of Moynihan Station moves forward, the rail provider says it can't pay much rent

Shutterstock

The Best Metro Data Releases of 2011

There's never been a better time to be an urban researcher

Reuters

The World's Next 20 Tallest Skyscrapers

The average height of towers is climbing — but how high is too high?

Cornell University and Skidmore, Owings & Merrill

What Cornell's New Tech Campus Means for New York's Roosevelt Island

First things first: Students are going to need more transit options between the proposed campus and Manhattan

Josh Dudley

The Burgeoning Field of Security Perimeter Design

As bollards and Jersey barriers become ubiquitous, architects and designers look for ways to make them less hideous

Flickr/Todd Lapin

How Public Transit Celebrates the Holidays

A roundup of the best train lights and subway car decorations

Reuters

The Evolution of Traffic Accidents in New York

Fatalities are on pace to hit their lowest mark in a century. A look back at the way things were when traffic statistics began

Courtesy First Street Green

How to Fill an Empty Urban Space

A community group in New York collects ideas for a space that once housed the BMW Guggenheim Lab

Flickr/Kenn Chaplin

The Case for Congestion

Traffic provides cities money and robust street life - why should we do away with it?

chromaroma.com

Turning Your Commute Into an Arcade Game

The Foursquare-style Chromaroma program tracks London Tube riders wherever they go

Dawn_Perry/Flickr

How We're Failing Our Parks

America has more city parks, but less money to pay for them

Matthew Picton

Sculpting the History of a City

Artist’s paper sculptures recall the politics and events that shape cities