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Discussion (10 Comments)Read Original on HackerNews
That makes it sound like Britain is the only place with left side traffic. 35% of the world population live in countries where they drive on the left side.
https://www.historic-uk.com/HistoryMagazine/DestinationsUK/F...
Plus everyone would then be driving cars with the steering wheel on the wrong side for decades until the whole fleet got eventually replaced.
Countries have done it before, but I think there's a reason not many countries have done it since the mid 20th century when roads and cars were a lot simpler and there were fewer of them
It has a bad rep, but if you're used to British mini roundabouts, driving on it is a non-event. The regularity actually means it's simpler than other, smaller, but more arbitrary aggregations of mini-roundabouts.
If it's so good why aren't there more of them? Not like England has any shortage of N-way (where N >4) intersections they could be used at.
The wikipedia page says "the roundabout provides a better throughput of traffic than other designs and has an excellent safety record, since traffic moves too slowly to do serious damage in the event of a collision" which to me sounds a lot like someone trying to spin failure to play up the silver lining.
Experimentation with junction design has been a good thing in the UK. Many of the designs are, however, attempts to do as well as possible in the space, because a better design would require compulsorily purchasing some people's houses or gardens. So, although there are not lots of magic roundabouts, there are lots of agglomerations of mini-roundabouts with slightly different topology , many of which are more annoying (but fit in the space, and keep traffic flowing).
However, it does seem likely that this is kept mainly because of its fame. I seem to recall that there was a proposal to replace it which was shouted down.
There's another very similar but smaller one at Heathrow, next to the Hatton Cross tube station. That one has the added attraction of London taxis and Ubers traversing it at high speed.