# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2018-10-10 20:24:18 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/1050119856920686592) It just occurred to me that even if self driving cars become mainstream in the US, bringing them to UK, and other left side driving countries, will be non-trivial. That's to say nothing for how different the road laws and road layout is.