...««««*%@                                          @%*««««...
.^«^*%#@##                                          ##@#%*^«^.
.^«^*%@#@#                                          #@#@%*^«^.
.....^^*%@                                          @%*^^.....
...««^**@@                                          @@**^««...
.^«^*%@###                  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!        #@#@%*^«^.
.^«^^^*@@#                                          #@@*^^^«^.
.^«^^^*%@@                                          @@%*^^^«^.
.^«^*%@#@#                                          #@#@%*^«^.
.^«^****@@                                          @@****^«^.
.^«^*%@#@@                                          @@#@%*^«^.
.^«^*%@###                                          ###@%*^«^.