diff --git a/README.md b/README.md
index 9f71ccc..1b215c2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,11 @@
 edugame-rail-traffic-flow
 ======
 
+Version 0.7.1
+------
+Adapted signals for left- and right-hand traffic
+
+
 Version 0.7
 ------
 reworking of game mechanics together with tasks and figures
diff --git a/backmatter/versionhistory.tex b/backmatter/versionhistory.tex
index dca7882..93327a1 100644
--- a/backmatter/versionhistory.tex
+++ b/backmatter/versionhistory.tex
@@ -52,4 +52,8 @@
     \IfLanguage{ngerman}{Spielmechanik mit Aufgaben und Abbildungen überarbeitet}
     \IfLanguage{english}{reworking of game mechanics together with tasks and figures}
   }
+  \vhEntry{0.7.1}{2019-09-09}{MS}{
+    \IfLanguage{ngerman}{Signale fürs Links- und Rechtsfahren angepasst}
+    \IfLanguage{english}{Adapted signals for left- and right-hand traffic}
+  }
 \end{versionhistory}
diff --git a/material/block_signals.pdf b/material/block_signals.pdf
index 70f1560..ee5b50a 100644
Binary files a/material/block_signals.pdf and b/material/block_signals.pdf differ
diff --git a/material/block_signals.tex b/material/block_signals.tex
index 2f5036b..e52258d 100644
--- a/material/block_signals.tex
+++ b/material/block_signals.tex
@@ -17,16 +17,29 @@
 \tikzset{
   pics/distant_signal_go/.style args={#1}{
     code={
-      \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+      \iftoggle{LeftHandTraffic}{
+        \draw[loosely dashdotted] (0,-1) -- ( 0,0) -- ++(8,0) -- ++(0,-1);
 
-      \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
-      \draw[line width=4pt,fill=base1!50] (2.1,-1.5) -- ++(2,-1) -- ++(0,2) -- cycle;  % signal screen
-      \draw[fill=#1] (3.5,-1.5) circle (0.5); % signal aspect
-      \draw[double] (3,-1.5) -- ++(1.0,0); % signal aspect
-      \node[right] at (0.2,-1) {
-        \IfLanguage{english}{\Large distant signal}
-        \IfLanguage{ngerman}{\Large Vorsignal}
-      }; % label
+        \draw[line width=4pt] (0,0) -- ++(0,1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (2.1,1.5) -- ++(2,-1) -- ++(0,2) -- cycle;  % signal screen
+        \draw[fill=#1] (3.5,1.5) circle (0.5); % signal aspect
+        \draw[double] (3,1.5) -- ++(1.0,0); % signal aspect
+        \node[right] at (0.2,1) {
+          \IfLanguage{english}{\Large distant signal}
+          \IfLanguage{ngerman}{\Large Vorsignal}
+        }; % label
+      }{
+        \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+
+        \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (2.1,-1.5) -- ++(2,-1) -- ++(0,2) -- cycle;  % signal screen
+        \draw[fill=#1] (3.5,-1.5) circle (0.5); % signal aspect
+        \draw[double] (3,-1.5) -- ++(1.0,0); % signal aspect
+        \node[right] at (0.2,-1) {
+          \IfLanguage{english}{\Large distant signal}
+          \IfLanguage{ngerman}{\Large Vorsignal}
+        }; % label
+      }
     }
   },
   pics/distant_signal_go/.default=signalgreen,
@@ -34,16 +47,29 @@
 \tikzset{
   pics/block_signal_go/.style args={#1}{
     code={
-      \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
-      
-      \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
-      \draw[line width=4pt,fill=base1!50] (4,-0.5) rectangle ++(2,-2); % signal screen
-      \draw[fill=#1] (5,-1.5) circle (0.5); % signal aspect
-      \draw[double] (4.5,-1.5) -- ++(1.0,0); % signal aspect
-      \node[right] at (0.2,-1) {
-        \IfLanguage{english}{\Large block signal}
-        \IfLanguage{ngerman}{\Large Blocksignal}
-      }; % label
+      \iftoggle{LeftHandTraffic}{
+        \draw[loosely dashdotted] (0,-1) -- ( 0,0) -- ++(8,0) -- ++(0,-1);
+        
+        \draw[line width=4pt] (0,0) -- ++(0,1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (4,0.5) rectangle ++(2,2); % signal screen
+        \draw[fill=#1] (5,1.5) circle (0.5); % signal aspect
+        \draw[double] (4.5,1.5) -- ++(1.0,0); % signal aspect
+        \node[right] at (0.2,1) {
+          \IfLanguage{english}{\Large block signal}
+          \IfLanguage{ngerman}{\Large Blocksignal}
+        }; % label
+      }{
+        \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+        
+        \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (4,-0.5) rectangle ++(2,-2); % signal screen
+        \draw[fill=#1] (5,-1.5) circle (0.5); % signal aspect
+        \draw[double] (4.5,-1.5) -- ++(1.0,0); % signal aspect
+        \node[right] at (0.2,-1) {
+          \IfLanguage{english}{\Large block signal}
+          \IfLanguage{ngerman}{\Large Blocksignal}
+        }; % label
+      }
     }
   },
   pics/block_signal_go/.default=signalgreen,
@@ -51,16 +77,29 @@
 \tikzset{
   pics/distant_signal_stop/.style args={#1}{
     code={
-      \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+      \iftoggle{LeftHandTraffic}{
+        \draw[loosely dashdotted] (0,-1) -- ( 0,0) -- ++(8,0) -- ++(0,-1);
 
-      \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
-      \draw[line width=4pt,fill=base1!50] (2.1,-1.5) -- ++(2,-1) -- ++(0,2) -- cycle;  % signal screen
-      \draw[fill=#1] (3.5,-1.5) circle (0.5); % signal aspect
-      \draw[double] (3.14,-1.14) -- ++(0.72,-0.72); % signal aspect
-      \node[right] at (0.2,-1) {
-        \IfLanguage{english}{\Large distant signal}
-        \IfLanguage{ngerman}{\Large Vorsignal}
-      }; % label
+        \draw[line width=4pt] (0,0) -- ++(0,1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (2.1,1.5) -- ++(2,-1) -- ++(0,2) -- cycle;  % signal screen
+        \draw[fill=#1] (3.5,1.5) circle (0.5); % signal aspect
+        \draw[double] (3.14,1.14) -- ++(0.72,0.72); % signal aspect
+        \node[right] at (0.2,1) {
+          \IfLanguage{english}{\Large distant signal}
+          \IfLanguage{ngerman}{\Large Vorsignal}
+        }; % label
+      }{
+        \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+
+        \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (2.1,-1.5) -- ++(2,-1) -- ++(0,2) -- cycle;  % signal screen
+        \draw[fill=#1] (3.5,-1.5) circle (0.5); % signal aspect
+        \draw[double] (3.14,-1.14) -- ++(0.72,-0.72); % signal aspect
+        \node[right] at (0.2,-1) {
+          \IfLanguage{english}{\Large distant signal}
+          \IfLanguage{ngerman}{\Large Vorsignal}
+        }; % label
+      }
     }
   },
   pics/distant_signal_stop/.default=signalyellow,
@@ -68,16 +107,29 @@
 \tikzset{
   pics/block_signal_stop/.style args={#1}{
     code={
-      \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+      \iftoggle{LeftHandTraffic}{
+        \draw[loosely dashdotted] (0,-1) -- ( 0,0) -- ++(8,0) -- ++(0,-1);
 
-      \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
-      \draw[line width=4pt,fill=base1!50] (4,-0.5) rectangle ++(2,-2); % signal screen
-      \draw[fill=#1] (5,-1.5) circle (0.5); % signal aspect
-      \draw[double] (5,-1) -- ++(0,-1); % signal aspect
-      \node[right] at (0.2,-1) {
-        \IfLanguage{english}{\Large block signal}
-        \IfLanguage{ngerman}{\Large Blocksignal}
-      }; % label
+        \draw[line width=4pt] (0,0) -- ++(0,1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (4,0.5) rectangle ++(2,2); % signal screen
+        \draw[fill=#1] (5,1.5) circle (0.5); % signal aspect
+        \draw[double] (5,1) -- ++(0,1); % signal aspect
+        \node[right] at (0.2,1) {
+          \IfLanguage{english}{\Large block signal}
+          \IfLanguage{ngerman}{\Large Blocksignal}
+        }; % label
+      }{
+        \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+
+        \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (4,-0.5) rectangle ++(2,-2); % signal screen
+        \draw[fill=#1] (5,-1.5) circle (0.5); % signal aspect
+        \draw[double] (5,-1) -- ++(0,-1); % signal aspect
+        \node[right] at (0.2,-1) {
+          \IfLanguage{english}{\Large block signal}
+          \IfLanguage{ngerman}{\Large Blocksignal}
+        }; % label
+      }
     }
   },
   pics/block_signal_stop/.default=signalred,
@@ -85,6 +137,7 @@
 
 \begin{document}
   \selectlanguage{english} % currently supported: english, ngerman
+  \settoggle{LeftHandTraffic}{true}
   \tikzset{every path/.style={ultra thick}}
   \begin{frame}
     \vfill
diff --git a/material/route_signals.pdf b/material/route_signals.pdf
index 14b01cc..1b06b9c 100644
Binary files a/material/route_signals.pdf and b/material/route_signals.pdf differ
diff --git a/material/route_signals.tex b/material/route_signals.tex
index 53c2dd7..d2b2ff6 100644
--- a/material/route_signals.tex
+++ b/material/route_signals.tex
@@ -17,16 +17,29 @@
 \tikzset{
   pics/route_signal_stop/.style args={#1}{
     code={
-      \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
-     
-      \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
-      \draw[line width=4pt,fill=base1!50] (5,-1.5) circle (1); % signal screen
-      \draw[fill=#1] (5,-1.5) circle (0.5); % signal aspect
-      \draw[double] (5,-1) -- ++(0,-1); % signal aspect
-      \node[right] at (0.2,-1) {
-        \IfLanguage{english}{\Large route signal}
-        \IfLanguage{ngerman}{\Large Fahrstraßensignal}
-      }; % label
+      \iftoggle{LeftHandTraffic}{
+        \draw[loosely dashdotted] (0,-1) -- ( 0,0) -- ++(8,0) -- ++(0,-1);
+       
+        \draw[line width=4pt] (0,0) -- ++(0,1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (5,1.5) circle (1); % signal screen
+        \draw[fill=#1] (5,1.5) circle (0.5); % signal aspect
+        \draw[double] (5,1) -- ++(0,1); % signal aspect
+        \node[right] at (0.2,1) {
+          \IfLanguage{english}{\Large route signal}
+          \IfLanguage{ngerman}{\Large Fahrstraßensignal}
+        }; % label
+      }{
+        \draw[loosely dashdotted] (0,1) -- ( 0,0) -- ++(8,0) -- ++(0,1);
+       
+        \draw[line width=4pt] (0,0) -- ++(0,-1.5) -- ++(4, 0); % signal pole
+        \draw[line width=4pt,fill=base1!50] (5,-1.5) circle (1); % signal screen
+        \draw[fill=#1] (5,-1.5) circle (0.5); % signal aspect
+        \draw[double] (5,-1) -- ++(0,-1); % signal aspect
+        \node[right] at (0.2,-1) {
+          \IfLanguage{english}{\Large route signal}
+          \IfLanguage{ngerman}{\Large Fahrstraßensignal}
+        }; % label
+      }
     }
   },
   pics/route_signal_stop/.default=signalred,
@@ -34,6 +47,7 @@
 
 \begin{document}
   \selectlanguage{english} % currently supported: english, ngerman
+  \settoggle{LeftHandTraffic}{true}
   \tikzset{every path/.style={ultra thick}}
   \begin{frame}
     \vfill
diff --git a/src/material_header.tex b/src/material_header.tex
index 3f968f4..7bb0a42 100644
--- a/src/material_header.tex
+++ b/src/material_header.tex
@@ -31,3 +31,5 @@
 
 \usepackage{tikz,adjustbox}
 
+\usepackage{etoolbox}
+\newtoggle{LeftHandTraffic}