Subterranean Development

Mega Cavern Bike Park

Behold the World's First Underground Bike Park

A massive bike park in Louisville, Kentucky takes the fast-growing trend of urban bike parks to new (subterranean) levels.

January 20, 2015 - Outside

Underground

Beijing's One Million Underground Urban Dwellers

The October issue of Land Lines reveals the remarkable story of how an estimated one million people came to live in subterranean apartments in Beijing.

October 13, 2014 - Land Lines

Underground City Gets Master Plan

The city of Helsinki has developed a master plan for its burgeoning underground city.

February 24, 2011 - The Huffington Post

The Mystery of Leavenworth's 'Underground Economy'

A recently-discovered "underground city" beneath Leavenworth, Kansas, has locals mystified as to its origin and purpose.

August 11, 2008 - KCTV Kansas City

News from HUD User

HUD's Office of Policy Development and Research

Call for Speakers

Mpact Transit + Community

New Updates on PD&R Edge

HUD's Office of Policy Development and Research

Top Books

An annual review of books related to planning.

Top Websites

The best of the Internet—since 2002.

Top Apps

Planning apps for a brave new world.

Top Schools

The definitive ranking of graduate planning programs.

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.