&&&&,&&&,&                                          &&,,&&&&&,
&,,,&&,,&&                                          ,,&,&,,,,&
,&,,&,&,&,                                          ,,&&&&,,,&
&&&,&&&&&&                                          ,,&,,,&,,&
,,,&&,,,,,                                          &,&&,,&&,&
&,,&,&,,,,                  RAILS                   &&&,&,&,&&
,&,&&&&,,,                                          ,,,&&&&&&,
,&&&,,,&,,                                          ,,,&,,,,,&
&&,,&,,&&, &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ,,,&&,,,,&
,,&,&&,&,&                                          &,,&,&,,,&
&,&&&,&&&& &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ,&,&&&&,,&
,&&,,&&,,,                                          ,&&&,,,&,&
&&,&,&,&,,                                          &&,,&,,&&&
,,&&&&&&&, TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY &,&,&&,&,,
,,&,,,,,,& HAVE  TO FOLLOW A SET PATH. THIS PATH IS &&&&&,&&&,
,,&&,,,,,& CALLED A "RAILWAY",  WHICH  IS COMPRISED ,,,,,&&,,&
&,&,&,,,,& OF TWO METAL  RAILS, HENCE ITS NICKNAME. ,,,,,&,&,&
,&&&&&,,,&                                          &,,,,&&&&&
&&,,,,&,,& BECAUSE  THE  LOW  FRICTION  BETWEEN THE ,&,,,&,,,,
&,&,,,&&,& WHEELS OF THE  TRAIN AND THE RAIL METAL, ,&&,,&&,,,
&&&&,,&,&& THERE ARE  LIMITS FOR  HOW ACUTE A CURVE ,&,&,&,&,,
&,,,&,&&&, CAN BE, AND EVEN  MORE SO  FOR  HOW MUCH &&&&&&&&&,
&&,,&&&,,& THE  GROUND   UNDER  THE  RAILS  CAN  BE ,,,,,,,,,&
,,&,&,,&,& SLOPED. THUS A RAILWAY  IS OFTEN NOT LED ,,,,,,,,,&
&,&&&&,&&& ON  TOP OF HILLS, RATHER THROUGH THEM IN ,,,,,,,,,&
,&&,,,&&,, TUNNELS  (IF   THEY   ARE   LARGE),   OR &,,,,,,,,&
&&,&,,&,&,            ARTIFICIAL CHASMS.            &&,,,,,,,&
,,&&&,&&&&                                          ,,&,,,,,,&
&,&,,&&,,, THERE  WILL  BE TREES ON THE SIDE OF THE ,,&&,,,,,&
,&&&,&,&,, RAILS,  BUT NOT TOO  CLOSE, OR THEY WILL ,,&,&,,,,&
&&,,&&&&&, BE CUT  DOWN  BY THE  RAILWAY  JANITORS. ,,&&&&,,,&
,,&,&,,,,& THERE  WILL BE  PLAINS,  AND  BODIES  OF &,&,,,&,,&
&,&&&&,,,&                  WATER.                  ,&&&,,&&,&
,&&,,,&,,&                                          ,&,,&,&,&&
&&,&,,&&,& TRAINS GO  BY  DAY AND BY  NIGHT.  ALONG ,&&,&&&&&,
&,&&&,&,&&      THE WAY, THERE IS INFORMATION       &&,&&,,,,&
,&&,,&&&&, SCATTERED, OFTEN PUT  ON TOP  OF  POLES, &,&&,&,,,&
&&,&,&,,,& TO BE  INTERPRETED BY THE TRAIN DRIVERS. ,&&,&&&,,&
,,&&&&&,,& DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE ,&,&&,,&,&
&,&,,,,&,&         DIFFERENT SPEED LIMITS.          ,&&&,&,&&&
,&&&,,,&&&                                          &&,,&&&&,,
,&,,&,,&,, SOMETIMES, TRAINS  HAVE TO STOP AND WAIT &,&,&,,,&,
,&&,&&,&&, FOR SOMETHING TO HAPPEN, FAR AWAY.  THIS &&&&&&,,&&
&&,&&,&&,& IS  SIGNALED  BY RED  OR  GREEN  LIGHTS. &,,,,,&,&,
&,&&,&&,&&                                          &&,,,,&&&&
,&&,&&,&&,                 &&&&&&&&                 &,&,,,&,,,
,&,&&,&&,&                                          &&&&,,&&,,
,&&&,&&,&& MANY  PEOPLE  FOLLOW  THE RAILS BY FOOT. &,,,&,&,&,
,&,,&&,&&, OFTEN  THIS  PROVES TO  BE  THE  SHORTER &&,,&&&&&&
&&&,&,&&,& PATH  BETWEEN  TWO POINTS. HOWEVER  THIS ,,&,&,,,,,
&,,&&&&,&& IS  FROWNED  UPON,  AND   VERY  IMPOLITE &,&&&&,,,,
&&,&,,,&&,         TOWARD THE TRAIN DRIVERS!        ,&&,,,&,,,
&,&&&,,&,&                                          &&,&,,&&,,
&&&,,&,&&&                                          ,,&&&,&,&,
&,,&,&&&,,                                          &,&,,&&&&&
,&,&&&,,&,                                          ,&&&,&,,,,
,&&&,,&,&&                                          ,&,,&&&,,,
,&,,&,&&&,                                          ,&&,&,,&,,