lease complete the class model and state model using correct UML notations. Submit your

work to the blackboard by the deadline.

Given a Traffic light control system

with four driving ways and one lane

on each side, provided safety

considerations. Let D be the safe

distance for a car to press break

pedal, if a car breaks in a shorter

distance that D $,$ there is possibility

to cross the red light. A car needs to

stop before the sign of $S2,S4,S6,88$

$($see the figure below$).$ In the

following figure, the circle with $3$

dots represents traffic light. The

dash line splits the road for two driving directions N$-$S$,$ S$-$N$,$ and E$-$W$,$ W$-$E$.$ Two

fundamental rules:

a$.$ Each car must stop at or before sign of $S2,S4,S6,$ or $S8$ when red lights.

b$.$ In addition, a car making turn cannot hit or collide any other car$($s$),$ no

matter other car is moving or stops.

Your task is to:

Develop a class model of the system using the correct UML notation.

Design a state diagram the system using correct UML notation.

point out weaknesses of the system, and describe how the system could be

improved to be more safe.