Complete the Streets
An organization aimed at making America's streets pedestrian and bicycle-friendly.

Project for Public Spaces
For thirty years, PPS has been working to create streets, bus stops, and train stations that not only accomodate traffic, but become places that benefit communities socially, economically, and environmentally.

EPA Recommended Practices Manual
A guideline for maintenance and service of unpaved roads, this useful manual also describes and illustrates cost-effective techniques that can be used to enhance stability of unpaved roadways while reducing sedimentation and impr

Federal Highway Administration's Flexibility in Highway Design
US Federal Highway Administration's planning resource for flexible highway design.

Massachusetts Highway Department
Official webpage of the Massachusetts Highway Department.