which of the three given suggested courses of action logically follows for pursuing.

                     travel  between the city and the airport during peak hours.

Courses of : I. Non-airport bound vehicles should not be allowed to ply on the road connecting the city                                 action and  the airport.

                    II. The load of vehicular traffic should be diverted through various link roads during peak hours.

                    III. The departure and arrival of flights should be regulated so as to avoid congestion during 

                         peak hours.