The National Trust's National Main Street Center is an outstanding site devoted to downtown revitalization, and is a clearinghouse for a vast amount of information

The Surface Transportation Policy Project is dedicated to building better communities through transportation

The Pedestrian and Bicycle Information Center has a searchable collection of over 1,600 categorized images of great streets, and people using them

 In the Portland region, Metro has developed a number of published materials. The Livable Streets Program handbooks are an affordable tool that provide in-depth design details for developing local projects. The Main Streets Handbook is also a good primer for revitalizing a main street 

The Boston Main Streets program is a national model for places where Main Streets is part of a large metropolitan area

America Walks is a national coalition of local advocacy groups dedicated to promoting walkable communities

Walkable Communties, Inc., is a non-profit corporation established in 1996 that is dedicated to helping communities become more walkable and pedestrian friendly

 The Sierra Club maintains an excellent set of links to transportation resources

David Engwicht's "Street Reclaiming" is a popular handbook on how to bring life and community pride back to streets

The Victoria Transport Policy Institute is an independent research organization dedicated to developing innovative and practical transportation solutions