Assure a linear relationship between speed and

tensity on a length of a highway having the free

Flow speed of $80k\frac{m}{h}r$ and the jam Lensity of

$72$ vehicles$/km.$

$($a$)$ Determine the speed at maximum flow and the

maximum flow expected on this high way?

$($b$)$ If the actual flow is $75\%$ of the capacity,

what are the possible flow speeds?

For the flow speeds at $($b$)$ Determine;

$($C$)$ The Time mean speed and the Space Mean speed?

$($d$)$ What will be the space headway for each speed?