Today traffic in Samoa will start driving on the left instead of the right.
The main reason for this is that they want to use right-hand-drive cars, for instance from Japan and New Zealand, which both drive on the left.
Here’s a Wikimedia Commons map showing countries driving on the right in red and on the left in blue.
There weren’t more accidents when Sweden switched in 1967, were there?
We shall see. 16.50 GMT is apparently the time.