&.......&&                                          &&..&&&&&.
&......&.&                                          .&.&....&&
&.....&&&&                                          &&&&...&..
&....&....                                          ...&..&&.&
&...&&....                                          ..&&.&.&&.
&..&.&....                   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!         ..&&.&....
.&..&&&.&&                                          .&.&&&...&
&&.&..&&..                                          &&&..&..&&
.&&&.&.&..                                          ..&.&&.&..
&..&&&&&..                                          .&&&.&&&..
&.&....&..                                          &..&&..&.&
&&&...&&.&                                          &.&.&.&&&.