Some Useful
Transportation-Related Safety Links
The US
Department of Transportation
The
National Highway Traffic Safety Administration (NHTSA)
NHTSA
report entitled "The Effectiveness of Retroreflective Tape on Heavy
Trailers"
Federal Motor
Carrier Safety Regulations
The Snell
Memorial Foundation is a not-for-profit
organization dedicated to research, education, testing and development of
helmet safety standards.
This is a page with a list of the
current Snell standards.
The Federal Railroad Administration
The
Association of American Railroads
The US Naval Observatory's page has a useful little program for calculating
sunrises, sunsets, moonrises, and moonsets for any US city or any latitude and
longitude by date.