American Trails
AnyPlace America — free topographical maps
Bicycle Garage      (thanks to the Hodges family for this link!)
Bike Loudoun
Bike Washington
East Coast Greenway
Fairfax Advocates for Better Bicycling
Friends of the Mountains to Sea Trail (North Carolina)
Friends of Prince William Forest Park
Great Allegheny Passage rail-trail
(Your) Guide to Bed, Breakfast and Biking
Home Science: Backyard Conservation      (thanks to Miss Ainsworth & her elementary students for this link!)
Katy Trail, MO
North Carolina Rail-Trails
NVRPA
One Sport Ninja — cycling guide
Pedestrian Safety Tips      (thanks to Anne in Kallie Johnson’s class at Learning Haven for this link!)
Pittsburgh to Cumberland Trail
Potomac Pedalers Touring Club
Rails to Trails Conservancy
Reston Bike Club
Reston Runners
Runnerclick — resources for runners
Safehome.org’s Guide for Outdoor Safety and Health
South Carolina Trails Program
Team Food & Friends
Traillink.com
Washington Area Bicyclist Association
West Virginia Rails-to-Trails Council
W&OD Railroad Yahoo group
Women’s Guide to Personal Safety