is what is the rove capacity if the vehicle seating capacity is $50$ passengers, and Whimate vehilic staniles capacity is s$,$ for safety the syntem operatoe does not allow to Auve more the $5\%$ the ahinate capacity of sfandess available on bourd any vehiche; kacwing thut the minimum headway betweet sucessive vehicles is equal to $0\mathrm{.}5$ hours? $($R print$)$

$6.$ Why ase't the horizontal aligament for railways be designed like that of highways? $(2$ points$)$