Prob: Traffic flow in an urban section at the intersection of two highways in the design year are given below.

$\backslash$table$[[\backslash$table$[[$Appr$],[$oach$]],$Left turning,Straight ahead,Right turning,,,$],[$Cars$,\backslash$table$[[$Commer$],[$cial$]],\backslash$table$[[$Scoot$],[$ers$]],$Cars,$\backslash$table$[[$Comm$],[$ercial$]],\backslash$table$[[$Scoot$],[$ers$]],\backslash$table$[[$Cars$],[$Comm$],[$ercial$]],\backslash$table$[[$Scoot$],[$ers$]],],[$N$,200,50,100,250,100,150,150,50,80],[$E$,180,60,80,220,50,120,200,40,120],[$S$,250,80,100,150,50,90,160,70,90],[$W$,220,50,120,180,60,100,250,60,100]]$

The highways at present intersect at right angles and have a carrigeway width of $15m.$ Design a rotary intersection making suitable assumptions.