$5\mathrm{.}3$ Given: road category B$,$ Weinert value $=1\mathrm{.}8,$ design $CBR=9\mathrm{.}6\%,$ and cumulative traffic

per design lane over $20$ years SDP $=2\mathrm{.}98$ million E$80$s$.$ Use TRH $4$ and provide all possible

pavement structure designs. Macadam base option should be excluded due to some

technical challenges. Show all used design tables with indications on$,$ and neat free$-$hand

sketches showing all pavement layers name, materials, and thicknesses. Also check your

designs against Table $19$ of TRH$4.$