...@@..@..                                          ..@@...@..
...@@@..@.                                          @.@@@...@.
...@.@@..@                                          ..@.@@...@
@....@@@..                                          ....@@@...
.@...@.@@.                                          @...@.@@..
..@....@@@                   R41LS                  .@....@@@.
...@...@.@                                          ..@...@.@@
@...@....@                                          @..@....@@
@@...@...@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@..@...@.
@@@...@...                                          @@@..@....
@.@@...@.. @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @.@@..@...
..@@@...@.                                          ..@@@..@..
..@.@@...@                                          ..@.@@..@.
....@@@... TR41NS  4R3  SO  CONSTRUCT3D  TH4T  TH3Y @...@@@..@
@...@.@@.. H4V3 TO  FOLLOW 4 S3T P4TH. TH1S P4TH 1S @@..@.@@..
.@....@@@. C4LL3D 4  "R41LWAY", WH1CH 1S  COMPR1S3D .@@...@@@.
..@...@.@@ OF  TWO M3T4L R41LS, H3NCE 1TS N1CKN4M3. .@@@..@.@@
@..@....@@                                          .@.@@...@@
@@..@...@. B3C4USE  TH3  LOW FR1CTION  B3TWEEN  TH3 ...@@@..@.
@@@..@.... WH3ELS  OF TH3 TR41N 4ND TH3 R41L M3T4L, ...@.@@...
@.@@..@... TH3RE 4R3 L1MITS  FOR HOW 4CUT3 4  CURV3 .....@@@..
..@@@..@.. C4N  B3,  4ND 3VEN MOR3 SO FOR  HOW MUCH @....@.@@.
..@.@@..@. TH3  GROUND  UND3R  TH3  R41LS  C4N   B3 .@.....@@@
@...@@@..@ SLOP3D. THUS 4 R41LWAY 1S OFT3N  NOT L3D ..@....@.@
@@..@.@@.. ON TOP OF H1LLS, R4TH3R THROUGH TH3M  1N ...@.....@
.@@...@@@. TUNN3LS   (1F  TH3Y   4R3   L4RG3),   OR @...@....@
.@@@..@.@@            4RT1FICIAL CH4SMS.            .@...@....
.@.@@...@@                                          ..@...@...
...@@@..@. TH3RE  W1LL B3  TR3ES ON TH3 S1D3 OF TH3 ...@...@..
...@.@@... R41LS, BUT NOT TOO  CLOS3, OR  TH3Y W1LL ....@...@.
.....@@@.. B3  CUT  DOWN  BY TH3 R41LWAY  J4N1TORS. .....@...@
@....@.@@. TH3RE  W1LL  B3  PL41NS, 4ND  BOD13S  OF ......@...
.@.....@@@                  W4T3R.                  .......@..
..@....@.@                                          ........@.
...@.....@ TR41NS  GO  BY D4Y 4ND  BY N1GHT.  4LONG @........@
@...@....@      TH3 W4Y, TH3RE 1S 1NFORM4TION       .@........
.@...@.... SC4TT3RED,  OFT3N  PUT ON  TOP OF POL3S, ..@.......
..@...@... TO B3 1NT3RPRETED BY TH3  TR41N DR1V3RS. ...@......
...@...@.. D1FF3RENT  P4RTS  OF  TH3  R41LWAY  H4V3 @...@.....
....@...@.          D1FF3RENT SP3ED L1MITS.         .@...@....
.....@...@                                          ..@...@...
......@... SOM3T1MES, TR41NS H4V3 TO STOP  4ND W41T @..@...@..
.......@.. FOR SOM3TH1NG  TO H4PP3N, F4R 4WAY. TH1S .@..@...@.
........@. 1S  S1GN4L3D  BY  R3D  OR  GR3EN L1GHTS. ..@..@...@
@........@                                          ...@..@...
.@........                 @@@@@@@@                 @...@..@..
..@.......                                          .@...@..@.
...@...... M4NY P3OPLE  FOLLOW  TH3 R41LS BY  FOOT. ..@...@..@
@...@..... OFT3N  TH1S  PROV3S  TO B3  TH3  SHORT3R @..@...@..
.@...@.... P4TH B3TWEEN  TWO PO1NTS.  HOW3VER  TH1S @@..@...@.
..@...@... 1S   FROWN3D  UPON,  4ND  V3RY  1MPOLIT3 .@@..@...@
@..@...@..         TOW4RD TH3 TR41N DR1V3RS!        .@@@..@...
.@..@...@.                                          .@.@@..@..
..@..@...@                                          ...@@@..@.
...@..@...                                          ...@.@@..@
@...@..@..                                          @....@@@..
.@...@..@.                                          .@...@.@@.
..@...@..@                                          ..@....@@@