diff --git a/dev-install.sh b/dev-install.sh
new file mode 100755
index 0000000..34878e9
--- /dev/null
+++ b/dev-install.sh
@@ -0,0 +1,18 @@
+#! /bin/sh
+
+echo "specify path for installation!"
+echo "( e.g. /usr/local/texlive/2019/texmf-dist/tex/latex ):"
+read INSTALLPATH
+
+DIR=$(pwd -P)
+
+DEVDIR="tikz-trackschematic-dev"
+
+mkdir $INSTALLPATH/$DEVDIR
+
+ln -s $DIR/src/tikzlibrarytrackschematic.code.tex $INSTALLPATH/$DEVDIR/tikzlibrarytrackschematic-dev.code.tex
+ln -s $DIR/src/tikzlibrarytrackschematic.constructions.code.tex $INSTALLPATH/$DEVDIR/tikzlibrarytrackschematic-dev.constructions.code.tex
+ln -s $DIR/src/tikzlibrarytrackschematic.messures.code.tex $INSTALLPATH/$DEVDIR/tikzlibrarytrackschematic-dev.messures.code.tex
+ln -s $DIR/src/tikzlibrarytrackschematic.topology.code.tex $INSTALLPATH/$DEVDIR/tikzlibrarytrackschematic-dev.topology.code.tex
+ln -s $DIR/src/tikzlibrarytrackschematic.trafficcontrol.code.tex $INSTALLPATH/$DEVDIR/tikzlibrarytrackschematic-dev.trafficcontrol.code.tex
+ln -s $DIR/src/tikzlibrarytrackschematic.vehicles.code.tex $INSTALLPATH/$DEVDIR/tikzlibrarytrackschematic-dev.vehicles.code.tex
diff --git a/doc/tikz-trackschematic-documentation.sty b/doc/tikz-trackschematic-documentation.sty
index 46ddf74..66bc206 100644
--- a/doc/tikz-trackschematic-documentation.sty
+++ b/doc/tikz-trackschematic-documentation.sty
@@ -81,7 +81,15 @@
 \RequirePackage{longtable,tikz,siunitx,adjustbox,rotating}
 \sisetup{math-rm=\mathsf}
 
-\usetikzlibrary{trackschematic}
+\IfFileExists{tikzlibrarytrackschematic-dev.code.tex}{%
+  \usetikzlibrary{trackschematic-dev.topology}%
+  \usetikzlibrary{trackschematic-dev.trafficcontrol}%
+  \usetikzlibrary{trackschematic-dev.vehicles}%
+  \usetikzlibrary{trackschematic-dev.constructions}%
+  \usetikzlibrary{trackschematic-dev.messures}%
+}{%
+  \usetikzlibrary{trackschematic}%
+}%
 
 \def\rootTrackschematic{.}
 
diff --git a/test/test.tex b/test/test.tex
index af3ef50..a20ef91 100644
--- a/test/test.tex
+++ b/test/test.tex
@@ -8,7 +8,11 @@
 \usepackage{siunitx}
 \usepackage[prefix=]{xcolor-solarized}
 
-\usetikzlibrary{trackschematic}
+\usetikzlibrary{trackschematic-dev.topology}%
+\usetikzlibrary{trackschematic-dev.trafficcontrol}%
+\usetikzlibrary{trackschematic-dev.vehicles}%
+\usetikzlibrary{trackschematic-dev.constructions}%
+\usetikzlibrary{trackschematic-dev.messures}%
 
 \begin{document}
   \begin{tikzpicture}[font=\sffamily]