Metrication of Roadside Hardware. This article summarizes some of the most important recommendations regarding metrication of roadside safety hardware. Find it at http://www.tfhrc.gov/pubrds/summer95/p95su3.htm

AASHTO Metrication Clearinghouse. This site features links to the past issue of the Newsletter, metric biographies, contacts, and publications, and other metric sites. Find it at http://tti.tamu.edu/metric/index.stm