##@$%/-^¨¨                                          ¨¨^-/%$@##
###@$%/-^¨                                          ¨^-/%$@###
##@$%/-^¨¨                                          ¨¨^-/%$@##
#@$%/-^¨¨¨                                          ¨¨¨^-/%$@#
##@$%/-^¨¨                                          ¨¨^-/%$@##
###@$%/-^¨                   R41LS                  ¨^-/%$@###
##@$%/-^¨¨                                          ¨¨^-/%$@##
#@$%/-^¨¨¨                                          ¨¨¨^-/%$@#
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###@$%/-^¨                                          ¨^-/%$@###
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#@$%/-^¨¨¨                                          ¨¨¨^-/%$@#
##@$%/-^¨¨                                          ¨¨^-/%$@##
###@$%/-^¨ TR41NS  4R3  SO  CONSTRUCT3D  TH4T  TH3Y ¨^-/%$@###
##@$%/-^¨¨ H4V3 TO FOLLOW 4 S3T P4TH. TH1S P4TH  1S ¨¨^-/%$@##
#@$%/-^¨¨¨ C4LL3D  4 "R41LWAY", WH1CH 1S  COMPR1S3D ¨¨¨^-/%$@#
##@$%/-^¨¨ OF TWO M3T4L R41LS,  H3NCE 1TS N1CKN4M3. ¨¨^-/%$@##
###@$%/-^¨                                          ¨^-/%$@###
##@$%/-^¨¨ B3C4USE  TH3  LOW  FR1CTION B3TWEEN  TH3 ¨¨^-/%$@##
#@$%/-^¨¨¨ WH3ELS OF TH3 TR41N 4ND TH3  R41L M3T4L, ¨¨¨^-/%$@#
##@$%/-^¨¨ TH3RE  4R3  L1MITS FOR HOW 4CUT3 4 CURV3 ¨¨^-/%$@##
###@$%/-^¨ C4N B3, 4ND 3VEN  MOR3 SO  FOR HOW  MUCH ¨^-/%$@###
##@$%/-^¨¨ TH3  GROUND  UND3R   TH3  R41LS  C4N  B3 ¨¨^-/%$@##
#@$%/-^¨¨¨ SLOP3D. THUS  4 R41LWAY 1S OFT3N NOT L3D ¨¨¨^-/%$@#
##@$%/-^¨¨ ON TOP OF H1LLS, R4TH3R THROUGH  TH3M 1N ¨¨^-/%$@##
###@$%/-^¨ TUNN3LS   (1F   TH3Y  4R3   L4RG3),   OR ¨^-/%$@###
##@$%/-^¨¨            4RT1FICIAL CH4SMS.            ¨¨^-/%$@##
#@$%/-^¨¨¨                                          ¨¨¨^-/%$@#
##@$%/-^¨¨ TH3RE  W1LL B3 TR3ES ON TH3 S1D3  OF TH3 ¨¨^-/%$@##
###@$%/-^¨ R41LS, BUT NOT TOO CLOS3, OR  TH3Y  W1LL ¨^-/%$@###
##@$%/-^¨¨ B3  CUT  DOWN  BY  TH3 R41LWAY J4N1TORS. ¨¨^-/%$@##
#@$%/-^¨¨¨ TH3RE  W1LL  B3  PL41NS,  4ND  BOD13S OF ¨¨¨^-/%$@#
##@$%/-^¨¨                  W4T3R.                  ¨¨^-/%$@##
###@$%/-^¨                                          ¨^-/%$@###
##@$%/-^¨¨ TR41NS  GO BY  D4Y 4ND BY  N1GHT.  4LONG ¨¨^-/%$@##
#@$%/-^¨¨¨       TH3 W4Y, TH3RE 1S 1NFORM4TION      ¨¨¨^-/%$@#
##@$%/-^¨¨ SC4TT3RED, OFT3N  PUT ON  TOP  OF POL3S, ¨¨^-/%$@##
###@$%/-^¨ TO B3 1NT3RPRETED BY TH3  TR41N DR1V3RS. ¨^-/%$@###
##@$%/-^¨¨ D1FF3RENT  P4RTS  OF  TH3  R41LWAY  H4V3 ¨¨^-/%$@##
#@$%/-^¨¨¨          D1FF3RENT SP3ED L1MITS.         ¨¨¨^-/%$@#
##@$%/-^¨¨                                          ¨¨^-/%$@##
###@$%/-^¨ SOM3T1MES, TR41NS H4V3 TO  STOP 4ND W41T ¨^-/%$@###
##@$%/-^¨¨ FOR SOM3TH1NG TO H4PP3N,  F4R 4WAY. TH1S ¨¨^-/%$@##
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##@$%/-^¨¨                                          ¨¨^-/%$@##
###@$%/-^¨                 ¤¤¤¤¤¤¤¤                 ¨^-/%$@###
##@$%/-^¨¨                                          ¨¨^-/%$@##
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##@$%/-^¨¨ OFT3N  TH1S  PROV3S  TO B3  TH3  SHORT3R ¨¨^-/%$@##
###@$%/-^¨ P4TH  B3TWEEN  TWO PO1NTS.  HOW3VER TH1S ¨^-/%$@###
##@$%/-^¨¨ 1S  FROWN3D  UPON,   4ND  V3RY  1MPOLIT3 ¨¨^-/%$@##
#@$%/-^¨¨¨        TOW4RD TH3 TR41N DR1V3RS!         ¨¨¨^-/%$@#
##@$%/-^¨¨                                          ¨¨^-/%$@##
###@$%/-^¨                                          ¨^-/%$@###
##@$%/-^¨¨                                          ¨¨^-/%$@##
#@$%/-^¨¨¨                                          ¨¨¨^-/%$@#
##@$%/-^¨¨                                          ¨¨^-/%$@##
###@$%/-^¨                                          ¨^-/%$@###