I will be happy to remove this if you feel that this is not an adequate start. You may use this to ask a new question. Yet I will be reluctant to address additional requests here.
\documentclass[tikz,border=3.14mm]{standalone}
\usetikzlibrary{positioning,quotes}
\begin{document}
\begin{tikzpicture}[box/.style={draw,minimum width=1cm,minimum height=8mm},font=\sffamily]
\begin{scope}[every node/.style={box}]
\node (1){1};
\node[right=1cm of 1] (5){5};
\node[below=3mm of 5] (6){6};
\node[above=11mm of 5] (2){2};
\node[above=2mm of 2,xshift=8mm] (4){4};
\node[right=1cm of 2] (3){3};
\node[right=2.5cm of 5] (7){7};
\node[right=1cm of 7] (8){8};
\node[above=2mm of 8] (9){9};
\node[below=2mm of 8] (10){10};
\end{scope}
\begin{scope}[every edge/.append style={-latex},auto,
hv/.style={to path={-| (\tikztotarget) \tikztonodes}},
vh/.style={to path={|- (\tikztotarget) \tikztonodes}},
hvh/.style args={#1/#2/#3}{to path={-| ([xshift=#1]\tikztotarget)
node[pos=0.75,#3]{#2} --(\tikztotarget) \tikztonodes}},]
\draw (1) ++ (-1,0) edge (1)
(1) edge[vh] (2) (4) edge[hv] (2) (3) edge[vh,"0.4" right] (4)
(1) edge (5) (2) edge (3) (5) edge (7) (7) edge (8) (8) edge ++ (2.2,0)
(3) edge[hv] (7)
(9) edge[hvh={-3mm//}] (8.160) (8.200) edge[hvh={-3mm//}] (10.180)
(8.20) edge[hvh={7mm/0.3/}] (9.0) (8.-20) edge[hvh={5mm/0.2/}] (10.0);
\end{scope}
\begin{scope}[-latex]
\draw (1.south) -- ++ (-45:0.6) node[pos=1.35]{0.2};
\draw (2.south) -- ++ (-135:0.6) node[pos=1.35]{0.4};
\draw (3.south) -- ++ (-45:0.6) node[pos=1.35]{0.2};
\draw (4.north) -- ++ (45:0.6) node[pos=1.35]{0.2};
\draw (5.north) -- ++ (45:0.6) node[pos=1.35]{0.1};
\draw (6.south) -- ++ (-45:0.6) node[pos=1.35]{0.2};
\draw (7.south) -- ++ (-45:0.6) node[pos=1.35]{0.1};
\draw (8.10) -- ++ (0.8,0) -- ++ (45:0.6) node[pos=1.35]{0.2};
\draw (9.north) -- ++ (45:0.6) node[pos=1.35]{0.3};
\draw (10.south) -- ++ (-45:0.6) node[pos=1.35]{0.1};
\end{scope}
\end{tikzpicture}
\end{document}
