> The actual change took place at 4:50 AM and vehicles driving on the road at that time were instructed to change from right to left as they were driving. This

> The actual change took place at 4:50 AM and vehicles driving on the road at that time were instructed to change from right to left as they were driving. This makes it sound haphazard. In practice, traffic stopped at 04:50, everyone had 10 minutes to carefully change side, and traffic resumed at 05:00. Also, all non-essential traffic was banned between 01:00 - 06:00.