..-»=*$&¶#                                          #¶&$*=»-..
...-»=*$&¶                                          ¶&$*=»-...
....-»=*$&                                          &$*=»-....
.....-»=*$                                          $*=»-.....
......-»=*                                          *=»-......
.......-»=                  R41LS                   =»-.......
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.........-                                          -.........
.......... &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ..........
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.......... &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ..........
.........-                                          -.........
........-»                                          »-........
.......-»= TR41NS  4R3  SO  CONSTRUCT3D  TH4T  TH3Y =»-.......
......-»=* H4V3  TO FOLLOW 4 S3T P4TH. TH1S P4TH 1S *=»-......
.....-»=*$ 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. $*=»-.....
......-»=*                                          *=»-......
.......-»=                 &&&&&&&&                 =»-.......
........-»                                          »-........
.........- M4NY P3OPLE FOLLOW  TH3 R41LS  BY  FOOT. -.........
.......... OFT3N  TH1S  PROV3S  TO B3  TH3  SHORT3R ..........
.......... P4TH  B3TWEEN TWO PO1NTS.  HOW3VER  TH1S ..........
.......... 1S  FROWN3D   UPON,  4ND  V3RY  1MPOLIT3 ..........
.........-        TOW4RD TH3 TR41N DR1V3RS!         -.........
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.......-»=                                          =»-.......
......-»=*                                          *=»-......
.....-»=*$                                          $*=»-.....
....-»=*$&                                          &$*=»-....
...-»=*$&¶                                          ¶&$*=»-...