,,,,«*$$$#                                          #$$$*«,,,,
,«:*$&####                                          ####&$*:«,
,~«:*&####                                          ####&*:«~,
,~«:*$&###                                          ###&$*:«~,
,,,,«**$$&                                          &$$**«,,,,
,~«:***$##                  R41LS                   ##$***:«~,
,~«:***$&&                                          &&$***:«~,
,~««:**&##                                          ##&**:««~,
,,~~«::$$# &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& #$$::«~~,,
,~«:*$&###                                          ###&$*:«~,
,,,,,~:$&# &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& #&$:~,,,,,
,~«:*$&###                                          ###&$*:«~,
,~«««***$&                                          &$***«««~,
,~«:***&## 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 &$$:::««~,
,~«:*$&### R41LS, BUT NOT TOO CLOS3, OR  TH3Y  W1LL ###&$*:«~,
,~«:*$&### B3  CUT DOWN BY  TH3  R41LWAY  J4N1TORS. ###&$*:«~,
,~«:*$&### TH3RE  W1LL  B3  PL41NS,  4ND BOD13S  OF ###&$*:«~,
,~«:*$&###                  W4T3R.                  ###&$*:«~,
,,,,~:$$&#                                          #&$$:~,,,,
,~«:*$&### TR41NS GO  BY  D4Y 4ND  BY  N1GHT. 4LONG ###&$*:«~,
,~«:*$&###       TH3 W4Y, TH3RE 1S 1NFORM4TION      ###&$*:«~,
,~«:*$&### SC4TT3RED, OFT3N  PUT ON  TOP OF  POL3S, ###&$*:«~,
,~«:*$&### TO B3 1NT3RPRETED BY TH3  TR41N DR1V3RS. ###&$*:«~,
,,~~«**&## D1FF3RENT  P4RTS  OF  TH3  R41LWAY  H4V3 ##&**«~~,,
,,,,«:*$&#         D1FF3RENT SP3ED L1MITS.          #&$*:«,,,,
,~«:*&####                                          ####&*:«~,
,~«:*$&### SOM3T1MES, TR41NS H4V3  TO STOP 4ND W41T ###&$*:«~,
,,,,~«:**& FOR SOM3TH1NG TO H4PP3N, F4R 4WAY.  TH1S &**:«~,,,,
,~«:*$&### 1S  S1GN4L3D  BY  R3D  OR  GR3EN L1GHTS. ###&$*:«~,
,~«:*$&###                                          ###&$*:«~,
,~«:*$&###                 &&&&&&&&                 ###&$*:«~,
,~«:*$&###                                          ###&$*:«~,
,,,,~~«*&# M4NY  P3OPLE FOLLOW  TH3  R41LS BY FOOT. #&*«~~,,,,
,,,,,~:*&# OFT3N TH1S  PROV3S  TO  B3  TH3  SHORT3R #&*:~,,,,,
,~«:*$&### P4TH  B3TWEEN TWO  PO1NTS.  HOW3VER TH1S ###&$*:«~,
,~«:*$&### 1S  FROWN3D  UPON,  4ND   V3RY  1MPOLIT3 ###&$*:«~,
,~:*$&####        TOW4RD TH3 TR41N DR1V3RS!         ####&$*:~,
,~«:*$&###                                          ###&$*:«~,
,~«:*$&###                                          ###&$*:«~,
,,,««:*&##                                          ##&*:««,,,
,~«:*$&&&&                                          &&&&$*:«~,
,~«:*$$$$&                                          &$$$$*:«~,
,~«:*&####                                          ####&*:«~,