Roadway segment has multiple lanes

$($i$)$ Considering both signals at A and $B$ were green for the above trajectories of four drivers, name the drivers who were definitely involved in speed limit violations.

$($ii$)$ If all four drivers start at the same time at $A$ to travel towards $B,$ who passed whom in the same direction?

$($iii$)$ Who did a U$-$turn?