He had noticed that, when a heavy train passes over, a well-greased switch rail has some play, as if swimming in the grease.

NEWYORKER: Among Animals and Plants

New Haven line trains switch to third-rail power in Pelham, N.

WSJ: Commuters warned: Summer heat may slow Metro-North

Mr. Warren Buffett has his finger on the pulse of the early 21st Century economy and his interests easily seem to switch between a belief in resurgent rail traffic and faith in consumer food products.

FORBES: Move up http://i.forbesimg.com t Move down

Now the focus was on mega-mergers, mostly between regional competitors with considerable overlap, in a bid for economies of scale that would let the industry switch its focus from competition between rail firms to competition with trucks.

ECONOMIST: What kind of industry asks its regulator to block all deals?

The humble train is getting a boost from record oil prices, as companies switch out of planes and cars and into Europe's rail networks.

FORBES: Magazine Article

However, these figures are somewhat distorted by a drop in coal shipments, which contributed 44% of total rail shipments last year, as coal demand has been impacted by a switch to natural gas for electric power generation.

FORBES: Avoiding the Sidelines

He knelt down and crawled from the switch rails to the frog of the crossover, sliding his hand along the running surface and the head of the rail and feeling for possible corrugations or dents, or burrs shaved off by the wheels of the locomotives.

NEWYORKER: Among Animals and Plants