Part B: Traffic Analysis SHOW ALL WORK

$2.(10$ pt $)$ Can the following intersection be safely operated under Level $1$ control, assuming there is no significant history of crashes and extremely low daily traffic volumes? The figure is not drawn to scale. List any assumptions for values not given.

i$.$ If you answered "yes it is safe," what is the maximum allowable speed that can be permitted on the main street while still maintaining Level I control?

ii$.$ If you answered $"$no it is not safe," what is the maximum allowable speed that can be permitted on the main street in order to maintain Level $1$ control?

$($reaction time $\backslash (=2\mathrm{.}5\backslash$mathrm$\{$~s$\}\backslash ),$ level grade$)$