.....«:%@@                                          @@%:«.....
.~«:$@@@##                                          ##@@@$:«~.
......«:%@                                          @%:«......
.~«:$%@@@@                                          @@@@%$:«~.
......«:%@                                          @%:«......
.....~««$@                  R41LS                   @$««~.....
....«:::%@                                          @%:::«....
....~~:$@@                                          @@$:~~....
.~«:$%@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@%$:«~.
.~«:$$$%@@                                          @@%$$$:«~.
.~«:$%@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@%$:«~.
~«:$%@@@##                                          ##@@@%$:«~
.....~~«$@                                          @$«~~.....
.....«::%@ 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 @%::~.....
.~«:$%%%@@ P4TH  B3TWEEN TWO PO1NTS.  HOW3VER  TH1S @@%%%$:«~.
.~«:$%@@@@ 1S   FROWN3D  UPON,  4ND  V3RY  1MPOLIT3 @@@@%$:«~.
.~«:$%@@@@        TOW4RD TH3 TR41N DR1V3RS!         @@@@%$:«~.
.~«:$%@@@#                                          #@@@%$:«~.
.~«:$%@@@#                                          #@@@%$:«~.
.~«:$%@@##                                          ##@@%$:«~.
.~«:$$$%%@                                          @%%$$$:«~.
.~«:$%@@@@                                          @@@@%$:«~.
.~«:$%@@@@                                          @@@@%$:«~.