$15-1.$ Consider the rural intersection shown on page $334.$ Can this intersection be safely operated under basic rules$-$of$-$the$-$road? If not, what type of control would you suggest? You may assume that a traffic signal is not warranted at this location. All grades are level, and the standard reaction time of $2\mathrm{.}5s$ may be used.

Intersection for Problem $15-1$