...^-;*%#¶                                          ¶#%*;-^...
..^-;*%#¶#                                          #¶#%*;-^..
.^-;*%#¶##                                          ##¶#%*;-^.
..^-;*%#¶#                                          #¶#%*;-^..
...^-;*%#¶                                          ¶#%*;-^...
....^-;*%#                   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!         ..........
..........                                          ..........
..........                                          ..........
.........^                                          ^.........
........^-                                          -^........
.......^-;                                          ;-^.......
......^-;*                                          *;-^......