Video 2 Timings:
(all times relative to start of video)

Start of Green Phase: 				18.430 s
First observed movement of vehicle 1: 		20.330 s
1st vehicle's rear wheel crossing stop line: 	22.463 s
2nd vehicle's rear wheel crossing stop line: 	25.195 s
3rd vehicle's rear wheel crossing stop line: 	28.295 s
4th vehicle's rear wheel crossing stop line: 	30.228 s