....@@..@.                                          @.@...@.@@
@...@@@...                                          ...@....@@
@@..@.@@..                                          ....@...@.
@@@...@@@.                                          .....@....
@.@@..@.@@                                          ......@...
..@@@...@@                   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!         ..@@@.....
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