\documentclass[tikz]{standalone}

\usepackage{tikz}
\usepackage{fontspec}
\usepackage{contour}

\setmainfont{Atkinson Hyperlegible}
\usetikzlibrary{shapes.geometric}
\usetikzlibrary{calc}
\usetikzlibrary{positioning}
\usetikzlibrary{arrows.meta}

\definecolor{one}{RGB}{243,155,154}
\definecolor{two}{RGB}{176,0,68}
\definecolor{three}{RGB}{213,173,0}
\definecolor{four}{RGB}{227,0,11}
\definecolor{five}{RGB}{0,150,94}
\definecolor{six}{RGB}{149,107,37}
\definecolor{seven}{RGB}{255,204,0}
\definecolor{fifteen}{RGB}{247,171,99}
\definecolor{sixteen}{RGB}{94,107,175}
\definecolor{twentyone}{RGB}{227,0,11}
\definecolor{twentytwo}{RGB}{253,195,0}
\definecolor{twentythree}{RGB}{228,142,0}
\definecolor{twentyfour}{RGB}{140,29,117}
\definecolor{twentysix}{RGB}{243,155,154}

\input{../shapes.tex}

\pgfdeclarelayer{bg}
\pgfdeclarelayer{lines}
\pgfdeclarelayer{stops}
\pgfdeclarelayer{labels}
\pgfdeclarelayer{legend}
\pgfsetlayers{bg,lines,stops,labels,main,legend}

\contourlength{.2ex}

\begin{document}

\begin{tikzpicture}[
    river/.style = {
      line width=0.5cm,
      cyan!50,
      rounded corners=0.5cm,
      -{Triangle Cap},
    },
    railway line/.style = {
      color=gray,
      line width=0.075cm,
      rounded corners=0.5cm,
    },
    railway/.style = {
      railway line,
      {Latex[length=5mm]}-{Latex[length=5mm]},
    },
    stop/.style = {
      rounded corners=0.1cm, 
      line width=0.05cm,
      fill=white, 
      draw,
      shape=stop,
      anchor=center,
      minimum height=0.2cm,
    },
    stop1/.style = {
      stop,
      minimum width=0.2cm, 
    },
    stop2/.style = {
      stop,
      minimum width=0.4cm, 
    },
    stop3/.style = {
      stop,
      minimum width=0.6cm, 
    },
    stop4/.style = {
      stop,
      minimum width=0.8cm, 
    },
    line/.style = {
      line width=0.15cm,
      rounded corners=0.1cm,
    },
    label/.style = {
      font=\scriptsize,
    },
    line name/.style = {
      label, 
      color=white, 
      minimum width=1em, 
      minimum height=1em, 
      inner sep=0pt,
    },
  ]

  % \begin{pgfonlayer}{legend}
  %   % \draw[railway line] (-7,-8.5) -- ++(0,0.5);
  %   \node[stop2] (Legend2) at (-7,-8.5) {};
  %   \node[stop1, above=0.4cm of Legend2.two half] (Legend1) {};
  %   \node[stop1, above=0.3cm of Legend1] (Legend0) {};
  %   \draw[line] (Legend2.south two half) -- (Legend1.north center) -- (Legend0);
  %   \draw[line] (Legend2.south one half) -- ++(0,0.5) -- ++(-0.3,0);
  %   \node[stop2] (Legend2) at (-7,-8.5) {};
  %   \node[stop1, above=0.4cm of Legend2.two half] (Legend1) {};
  %   \node[stop1, above=0.3cm of Legend1] (Legend0) {};
  %   \node[line name, fill=black, above=0.2cm of Legend0] {\bf E};
  %   \node[label, left=0.05cm of Legend1] {Karlsplatz};
  %   \node[label, left=0.05cm of Legend0] {Museum};
  %   \node[label, left=0.05cm of Legend2] {Bahnhof};
  %
  %   \node[label, anchor=west] at (-6.7,-8.5) {Halt mit Umstieg};
  %   \node[label, anchor=west] at (-6.7,-8.0) {Halt};
  %   \node[label, anchor=west] at (-6.7,-7.5) {Endhaltestelle};
  % \end{pgfonlayer}

  \begin{pgfonlayer}{bg}
    % \draw[help lines, color=gray!10] (-10, -15) grid[step=0.1] (10, 10);
    % \draw[help lines, color=gray!50] (-10, -15) grid (10, 10);
    \draw[river] (10,1.5) -- (-1.5, 1.5) -- ++(-5.5,5.5);
  \end{pgfonlayer}

  \begin{pgfonlayer}{stops}
    \node[stop3, rotate=90] (Hauptbahnhof) at (-0.5, -1.4) {};
    \node[stop3, rotate=90] (Betriebshof) at (-0.5, 0.4) {};
    \node[stop2] (Jahnstr) at (0, 2.1) {};
    \node[stop2, above=0.3cm of Jahnstr] (Bunsengymnasium) {};
    \node[stop2, above=0.3cm of Bunsengymnasium] (Technologiepark) {};
    \node[stop2, rotate=-45] (Heiligenbergschule) at ($(Technologiepark)+(0.7,0.9)$) {};
    \node[stop2, rotate=90] (Volkshochschule) at (0.5,0.5) {};
    \node[stop2, rotate=90] (Campus Bergheim) at (1.2,0.5) {};
    \node[stop2, rotate=90] (Altes Hallenbad) at (1.9,0.5) {};
    \node[stop4, rotate=-45] (Bismarckplatz) at ($(3.1,0.5)+(45:0.1)$) {};
    \node[stop2] (Brückenstr) at (3.2,2.1) {};
    \node[stop2, above=0.3cm of Brückenstr] (Kußmaulstr) {};
    \node[stop2, above=0.3cm of Kußmaulstr] (Blumenthalstr) {};
    % Handschuhsheim
    \node[stop2, rotate=45] (Kapellenweg) at ($(Blumenthalstr)+(-0.7,0.9)$) {};
    \node[stop4] (Hans-Thoma-Platz) at ($(Heiligenbergschule)!0.5!(Kapellenweg)+(0,0.9)$) {};
    \node[stop3, above=0.6cm of Hans-Thoma-Platz.two quarter, anchor=one half] (Biethsstr)  {};
    \node[stop3, above=0.6cm of Biethsstr.center, anchor=center] (Burgstr) {};
    % Bergheim
    \node[stop4, rotate=90] (Seegarten) at (2.3,-1.5) {};
    \node[stop4, rotate=90] (Stadtbücherei) at (1.8,-1.5) {};
    \node[stop3, rotate=90] (Stadtwerke) at (0.7,-1.4) {};
    \node[stop1,rotate=45] (Gneisenaustr Süd) at ($(Hauptbahnhof.center)-(2.4,-1.5)$) {};
    % Wieblingen
    \node[stop1, rotate=45, above left=0.5cm of Gneisenaustr Süd.center, anchor=center] (Berufsschule) {};
    \node[stop1, rotate=45, above left=0.5cm of Berufsschule.center, anchor=center] (Ochsenkopf) {};
    \node[stop1] (SRH Campus) at ($(Ochsenkopf.center)-(0.3,-0.6)$){};
    \node[stop1, above=0.3cm of SRH Campus] (Wieblingen Mitte) {};
    \node[stop1, above=0.3cm of Wieblingen Mitte] (Taubenfeld) {};
    % Weststadt
    \node[stop2] (Römerkreis Süd) at (1.3,-2.1) {};
    \node[stop2, rotate=45] (Christuskirche) at ($(Römerkreis Süd)-(-0.5,0.7)$) {};
    \node[stop1] (Ringstr) at ($(Stadtwerke.one half)-(-0.1,0.2)-(0.6,0.6)$) {};
    \node[stop1, below left=0.3cm of Ringstr] (Montpellierbrücke) {};
    % Südstadt-Rohrbach
    \node[stop2] (S-Bahnhof Weststadt-Südstadt) at ($(Christuskirche)-(-0.5,0.7)$) {};
    \def\laststop{S-Bahnhof Weststadt-Südstadt}
    \foreach\stop in {Bergfriedhof,Bethanienkrankenhaus,Rheinstr,Markscheide,Eichendorffplatz,Rohrbach Markt,Ortenauer Str,Freiburger Str,Rohrbach Süd}{
      \expandafter\node[stop2, below=0.3cm of \laststop] (\stop) {};
      \xdef\laststop{\stop}
    }
    % Leimen
    \node[stop1, below=0.4cm of Rohrbach Süd.two half] (Zementwerk) {};
    \def\laststop{Zementwerk}
    \foreach\stop in {Johannes-Reidel-Str,Georgi-Marktplatz,Kurpfalzcentrum,Moltkestr,Leimen Friedhof}{
      \expandafter\node[stop1, below=0.3cm of \laststop] (\stop) {};
      \xdef\laststop{\stop}
    }
    \node[stop2, rotate=45, anchor=two half] (Hauptbahnhof Süd) at (-1.5, -2.5) {};
    \node[stop1] (Czernybrücke) at (-1.6, 0.2) {};
    \node[stop2, rotate=45, anchor=two half] (Gadamerplatz) at (-2.7,-1.3) {};
    \node[stop1, rotate=45, above left=0.7cm of Gadamerplatz.two half, anchor=center] (Eppelheimer Terrasse) {};
    \node[stop1, anchor=center] (Henkel Teroson Str) at ($(Eppelheimer Terrasse)+(-0.5,0.5)-(0.3,0.0)$){};
    \def\laststop{Henkel Teroson Str}
    \foreach\stop in {Marktstr,Kranichweg Stotz,Jakobsgasse,Eppelheimer Rathaus,Eppelheim Kirchheimer Str}{
      \expandafter\node[stop1, left=0.3cm of \laststop] (\stop) {};
      \xdef\laststop{\stop}
    }
    \node[stop1] (Rudolf-Diesel-Str) at ($(Hauptbahnhof Süd.one half)-(-0.8,0.8)-(0,0.3)$) {};
    \def\laststop{Rudolf-Diesel-Str}
    \foreach\stop in {Messplatz,Ilse-Krall-Str,Albert-Fritz-Str,Odenwaldstr,Kirchheim Rathaus,Kirchheim Friedhof}{
      \expandafter\node[stop1, below=0.3cm of \laststop] (\stop) {};
      \xdef\laststop{\stop}
    }
  \end{pgfonlayer}

  \begin{pgfonlayer}{lines}
    \pgfmathparse{0.1*tan(45/2)}
    \let\offset\pgfmathresult

    \draw[railway] ($(0.1,-3.5)-(7.2,-7.2)$) 
      node[label, above, anchor=south west] {Mannheim}
      -- (0.1,-3.5) 
      -- ++(3,0) 
      -- ++(4.5,4.5) 
      -- ++(1,0) 
      node[label, below, anchor=north] {Neckargemünd};
    \draw[railway] ($(0.1,-3.5)-(7.2,-7.2)$) 
      -- (0.1,-3.5) 
      -- ++(0,-3) 
      -- ++(0,-4.7)
      node[label, right, anchor=south west] {Karlsruhe};

    \draw[line, twentysix]
      (Burgstr.center)
      -- (Biethsstr.center)
      -- (Hans-Thoma-Platz.three quarter)
      -- ($(Hans-Thoma-Platz.south three quarter)-(0,\offset)$)
      -- (Kapellenweg.one half)
      -- ($(Blumenthalstr.north one half)-(0,\offset)$)
      -- (Kußmaulstr.one half)
      -- (Brückenstr.one half)
      -- (Bismarckplatz.north one half)
      -- (Bismarckplatz.one half) 
      -- ($(2.7,0.6)+(2*\offset,0)$)
      {[rounded corners=0.2cm]
        -- (Altes Hallenbad.two half) 
      }
      -- (Campus Bergheim.two half) 
      -- (Volkshochschule.two half) 
      -- (Betriebshof.two half)
      -- ($(Czernybrücke)+(0.4,0.4)$)
      -- (Czernybrücke)
      -- ($(Gadamerplatz.one half)+(-0.2,0.2)$)
      -- (Gadamerplatz.one half)
      -- (Hauptbahnhof Süd.one half)
      -- ($(Hauptbahnhof Süd.one half)-(-0.8,0.8)$)
      -- (Rudolf-Diesel-Str)
      -- (Messplatz)
      -- (Ilse-Krall-Str)
      -- (Albert-Fritz-Str)
      -- (Odenwaldstr)
      -- (Kirchheim Rathaus)
      -- (Kirchheim Friedhof)
    ;

    \draw[line, twentyone] 
      (Hauptbahnhof.two half) 
      -- ($(Hauptbahnhof.north two half)-(0.1,0)$)
      |- (Betriebshof.one half)
      {[rounded corners=0.2cm]
      -| (Jahnstr.one half) 
      }
      -- (Bunsengymnasium.one half) 
      -- (Technologiepark.one half) 
      {[rounded corners=0.15cm]
      -- ($(Technologiepark.north one half)+(0,\offset)$)
      -- (Heiligenbergschule.south one half) 
      }
      -- (Heiligenbergschule.north one half) 
      -- ($(Hans-Thoma-Platz.south one half)+(0,\offset)$) 
      -- (Hans-Thoma-Platz.one half)
    ;

    \draw[line, twentyone]
      (Jahnstr.one half)
      {[rounded corners=0.3cm] 
        |- (Volkshochschule.one half)
      }
      -- (Campus Bergheim.one half)
      {[rounded corners=0.2cm]
      -- (Altes Hallenbad.one half) 
      }
      {[rounded corners=0.2cm]
      -| ($(Seegarten.south two half)+(0.2,0)$)
      }
      -- (Stadtbücherei.two half)
      -- (Stadtwerke.two half)
      {[rounded corners=0.2cm]
      -- (Hauptbahnhof.two half)
      }
    ;


    \draw[line, twentytwo]
      (Bismarckplatz.two half)
      -- (3.3,0.3)
      {[rounded corners=0.8cm]
        |- (Stadtbücherei.north one half)
      }
      -- (Stadtbücherei.one half)
      -- ($(Stadtwerke.one half)-(-0.1,0.2)$)
      -- (Ringstr)
      -- (Montpellierbrücke)
      -- ($(Hauptbahnhof Süd.two half)+(0.8,-0.8)$)
      -- (Hauptbahnhof Süd.two half)
      -- (Gadamerplatz.two half)
      -- (Eppelheimer Terrasse)
      -- ($(Eppelheimer Terrasse)+(-0.5,0.5)$)
      -- (Henkel Teroson Str)
      -- (Marktstr)
      -- (Kranichweg Stotz)
      -- (Jakobsgasse)
      -- (Eppelheimer Rathaus)
      -- (Eppelheim Kirchheimer Str)
    ;

    \draw[line, twentythree] 
      (Bismarckplatz.three quarter) 
      -- ($(3.1,0.3)+(0,\offset)$)
      {[rounded corners=0.6cm]
        |- (Stadtbücherei.north two quarter)
      }
      -- (Stadtbücherei.two quarter)
      -| ($(Römerkreis Süd.south two half)+(0,\offset)$)
      -- (Christuskirche.two half)
      {[rounded corners=0.15cm]
        -- ($(S-Bahnhof Weststadt-Südstadt.north two half)+(0,\offset)$)
      }
      -- (S-Bahnhof Weststadt-Südstadt.two half)
      -- (Bergfriedhof.two half)
      -- (Bethanienkrankenhaus.two half)
      -- (Rheinstr.two half)
      -- (Markscheide.two half)
      -- (Eichendorffplatz.two half)
      -- (Rohrbach Markt.two half)
      -- (Ortenauer Str.two half)
      -- (Freiburger Str.two half)
      -- (Rohrbach Süd.two half)
      -- (Zementwerk)
      -- (Johannes-Reidel-Str)
      -- (Georgi-Marktplatz)
      -- (Kurpfalzcentrum)
      -- (Moltkestr)
      -- (Leimen Friedhof)
    ;

    \draw[line, twentyfour] 
      (Rohrbach Süd.one half)
      -- (Freiburger Str.one half)
      -- (Ortenauer Str.one half)
      -- (Rohrbach Markt.one half)
      -- (Eichendorffplatz.one half)
      -- (Markscheide.one half)
      -- (Rheinstr.one half)
      -- (Bethanienkrankenhaus.one half)
      -- (Bergfriedhof.one half)
      -- (S-Bahnhof Weststadt-Südstadt.one half)
      -- ($(S-Bahnhof Weststadt-Südstadt.north one half)-(0,\offset)$)
      -- (Christuskirche.one half)
      {[rounded corners=0.15cm]
        -- ($(Römerkreis Süd.south one half)-(0,\offset)$)
      }
      |- (Stadtwerke.one half)
      {[rounded corners=0.3cm]
      -- ($(Hauptbahnhof.south one half)+(0.1,0)$)
      -| ($(Betriebshof.north center)-(0.3,0)$)
      }
      {[rounded corners=0.5cm]
        -| (Jahnstr.two half)
      }
      -- (Bunsengymnasium.two half) 
      -- (Technologiepark.two half) -- ($(Technologiepark.north two half)-(0,\offset)$)
      -- (Heiligenbergschule.south two half) -- (Heiligenbergschule.north two half) 
      -- ($(Hans-Thoma-Platz.south two quarter)-(0,\offset)$) -- (Hans-Thoma-Platz.two quarter)
      -- (Biethsstr.one half)
      -- (Burgstr.one half)
    ;


    \draw[line, five, -{Latex[length=5mm]}]
      (Burgstr.two half) 
      -- ($(Burgstr.two half)+(0,1.0)$) 
      node[right, anchor=west, label] {Weinheim}
      node[below right=0.3cm, line name, fill=five, rounded corners=0pt] {\bf 5}
      ;
    \draw[line, five, -{Latex[length=5mm]}]
      (Taubenfeld) 
      -- ++(0,0.3)
      -- ++(-0.5,0.5)
      node[above left=-0.2cm, label, anchor=south east] {Mannheim}
      node[below left, line name, fill=five, rounded corners=0pt, anchor=north east] {\bf 5}
      ;
    \draw[line, five]
      (Burgstr.two half)
      -- (Biethsstr.two half)
      -- (Hans-Thoma-Platz.two half)
      -- ($(Hans-Thoma-Platz.south two half)+(0,\offset)$)
      {[rounded corners=0.15cm]
      -- (Kapellenweg.two half)
      -- ($(Blumenthalstr.north two half)+(0,\offset)$)
      }
      -- (Blumenthalstr.two half) 
      -- (Kußmaulstr.two half) 
      -- (Brückenstr.two half) 
      -- ($(3.3,0.9)+(0,2*\offset)$)
      -- (Bismarckplatz.north two quarter)
      -- (Bismarckplatz.two quarter) 
      -- ($(2.9,0.3)+(0,2*\offset)$)
      {[rounded corners=0.4cm]
      |- (Seegarten.north three quarter) 
      }
      -- (Stadtbücherei.three quarter) 
      -- (Stadtwerke.three quarter)
      -- (Hauptbahnhof.three quarter)
      -- ($(Hauptbahnhof.center)-(0.9, 0)$)
      -- (Gneisenaustr Süd.center)
      -- (Berufsschule.center)
      -- (Ochsenkopf.center)
      -- ($(Ochsenkopf.center)-(0.3,-0.3)$)
      -- (SRH Campus.center)
      -- (SRH Campus.center)
      -- (Wieblingen Mitte.center)
      -- (Taubenfeld.center)
    ;

  \end{pgfonlayer}

  \begin{pgfonlayer}{labels}
    \node[font=\scriptsize, color=white] at (4.0,1.5){Neckar};
    \node[font=\scriptsize, color=white, rotate=-45] at (-3.5,3.5) {Neckar};
    \foreach\stop/\placement/\anchor/\rotate in {
      Hauptbahnhof/left/north/0,
      Betriebshof/above left/north west/0,
      Jahnstr/left/east/0,
      Brückenstr/right/west/0,
      Kußmaulstr/right/west/0,
      Blumenthalstr/right/west/0,
      Kapellenweg/right/west/0,
      Bismarckplatz/below right/north west/0,
      Jahnstr/left/east/0,
      Bunsengymnasium/left/east/0,
      Technologiepark/left/east/0,
      Heiligenbergschule/left/east/0,
      Hans-Thoma-Platz/right/west/0,
      Biethsstr/right/west/0,
      Volkshochschule/above right/west/60,
      Campus Bergheim/above right/west/60,
      Altes Hallenbad/above right/west/60,
      Seegarten/right/east/-30,
      Stadtbücherei/right/east/-30,
      Stadtwerke/right/east/-30,
      Römerkreis Süd/right/west/0,
      Ringstr/below right/west/-45,
      Montpellierbrücke/below right/west/-45,
      Gneisenaustr Süd/right/west/45,
      Berufsschule/right/west/45,
      Ochsenkopf/right/west/45,
      SRH Campus/left/east/0,
      Wieblingen Mitte/left/east/0,
      Taubenfeld/left/east/0,
      Christuskirche/right/west/0,
      S-Bahnhof Weststadt-Südstadt/right/west/0,
      Bergfriedhof/right/west/0,
      Bethanienkrankenhaus/right/west/0,
      Rheinstr/right/west/0,
      Markscheide/right/west/0,
      Eichendorffplatz/right/west/0,
      Rohrbach Markt/right/west/0,
      Ortenauer Str/right/west/0,
      Freiburger Str/right/west/0,
      Rohrbach Süd/right/west/0,
      Zementwerk/right/west/0,
      Johannes-Reidel-Str/right/west/0,
      Georgi-Marktplatz/right/west/0,
      Kurpfalzcentrum/right/west/0,
      Moltkestr/right/west/0,
      Leimen Friedhof/right/west/0,
      Hauptbahnhof Süd/left/north east/0,
      Gadamerplatz/left/east/45,
      Eppelheimer Terrasse/left/east/45,
      Czernybrücke/above/south/45,
      Henkel Teroson Str/below/east/45,
      Marktstr/below/east/45,
      Kranichweg Stotz/below/east/45,
      Jakobsgasse/below/east/45,
      Eppelheimer Rathaus/below/east/45,
      Eppelheim Kirchheimer Str/below/east/45,
      Rudolf-Diesel-Str/left/east/0,
      Messplatz/left/east/0,
      Ilse-Krall-Str/left/east/0,
      Albert-Fritz-Str/left/east/0,
      Odenwaldstr/left/east/0,
      Kirchheim Rathaus/left/east/0,
      Kirchheim Friedhof/left/east/0,
      Burgstr/right/west/0%
    } \node[label, \placement=0.05cm of \stop, rotate=\rotate, anchor=\anchor] {\contour{white}{\stop}};
    \node[line name, fill=twentytwo, left=0.2cm of Eppelheim Kirchheimer Str] {\bf 22};
    \node[line name, fill=twentysix, right=0.2cm of Kirchheim Friedhof] {\bf 26};
    \node[line name, fill=twentythree, left=0.2cm of Leimen Friedhof] {\bf 23};
    \node[line name, fill=twentyfour, left=0.2cm of Rohrbach Süd] {\bf 24};
    \node[line name, fill=twentyone, left=0.2cm of Hans-Thoma-Platz] {\bf 21};
    \node[line name, fill=twentysix, left=0.2cm of Burgstr] {\bf 26};
    \node[line name, fill=twentyfour, left=0.6cm of Burgstr] {\bf 24};
    \node[line name, fill=twentytwo, right=0.2cm of Bismarckplatz] {\bf 22};
    \node[line name, fill=twentythree, right=0.6cm of Bismarckplatz] {\bf 23};
  \end{pgfonlayer}

\end{tikzpicture}

\end{document}
% vim: nospell conceallevel=0