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