Two major roads with two lanes each are crossing in an urban area to form an un-controlled intersection. The number of conflict points when both roads are one-way is " $\mathrm{X} "$ and when both roads are two-way is "Y". The ratio of $X$ to $Y$ is
(A) 0.25
(B) 0.33
(C) 0.50
(D) 0.75
Two major roads with two lanes each are crossing in an urban area to form an un-controlled intersection. The number of conflict points when both roads are one-way is " $\mathrm{X} "$ and when both roads are two-way is "Y". The ratio of $X$ to $Y$ is
(A) 0.25
(B) 0.33
(C) 0.50
(D) 0.75