[RAILWAY SIGNALLING] TOP 10 LARGEST RAILWAY NETWORK IN THE WORLD [NOTE: U.S. Department of Transportation, Federal Railroad Administration says, " Rail network, for both passengers and freight, produces lower GHG emissions than roadway and air transportation, which means that shifting trips from road and air to rail in markets where it makes sense can reduce overall transportation emissions. Still, rail’s reliance on diesel fuel leaves a large challenge in reducing GHG emissions from the rail industry.]
