Americans with Disabilities Act Accessibility Guidelines (ADAAG)
ADA Accessibility Guidelines for Building and Facilities
http://www.access-board.gov/adaag/html/adaag.htm

ADA Accessibility Guidelines for Building Elements Designed for Children's Use
http://www.access-board.gov/adaag/kids/final.htm

Americans with Disabilities Act Accessibility Guidelines (ADAAG)
Checklist for Buildings and Facilities
http://www.access-board.gov/adaag/checklist/a16.html

Uniform Federal Accessibility Standards
http://www.access-board.gov/ufas/ufas-html/ufas.htm