Agglomeration Economies

Research: Transit Times Determine Social Networks
A social network analysis, touted as the largest ever, reveals the importance of mobility for social connections.

Regardless of Cost, New York Must Rehabilitate its Crown Jewel: the Subway
Depending on what's included, the cost to rebuild the ailing 665-mile system could be $111 billion, but the city's future depends on it. A feature-length New York Times Magazine piece looks at its history and suggests ways to finance rebuilding.

Congestion Pricing Requires a Careful Balance
Congestion pricing is an economic tool for a difficult, complicated problem, and must be calculated carefully to avoid unintended consequences.
City of Madera
City of Santa Clarita
Borough of Carlisle
HUD's Office of Policy Development and Research
Chaddick Institute at DePaul University
HUD's Office of Policy Development and Research
Colorado Energy Office
Pima County Community College District
City of Piedmont, CA
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.