...rely on mass transit and passenger rail systems to provide efficient, reliable...s mass transit and passenger rail systems against risks associated with potential...1 Mass transit and passenger rail systems consist of various bus and passenger...
http://www.gao.gov/new.items/d09491.pdf
...Our farmers will benefit from the development of wind energy and biofuels, our builders will build new high-speed rail systems, we will train an army of workers to retrofit our buildings for maximum energy savings, and our manufacturing facilities...
http://www.reamp.org/node/6410
US manufacturer of US outline diesel locomotives in 1.6" and 1.7" scale, available in 7¼" and 7½" gauge. Also suppliers of "groovy" track system.
http://railsystemsco.com/
Light rail or light rail transit (LRT) is a form of urban rail public transportation that generally has a lower capacity and lower speed than heavy rail and metro systems, but ...
http://en.wikipedia.org/wiki/Light_rail
...backbone of our housing, schools, hospitals and other built infrastructure, including highways, tunnels, airports and rail systems, MIT today announced the creation of the Concrete Sustainability Hub, a research center established at MIT in collaboration...
http://www.bdcnetwork.com/article/CA6700425.html