,:~^%&&&##                                          ##&&&%^~:,
,:~^%&&&&&                                          &&&&&%^~:,
,:~^%&&###                                          ###&&%^~:,
,,,,:~^%&#                                          #&%^~:,,,,
,,:::~~%&#                                          #&%~~:::,,
,:~^%&&###                   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!         ##&&&%^~:,
,:~~~^%&&#                                          #&&%^~~~:,
,:~^%&&###                                          ###&&%^~:,
,:~^%&&###                                          ###&&%^~:,
,:~^%&&###                                          ###&&%^~:,
,:~^^^&&&#                                          #&&&^^^~:,
,,,,:^^&##                                          ##&^^:,,,,