Roundabouts don’t have to take up more room than a stop-signed junction. We call them mini-roundabouts, and they’re often just painted on the ground and slightly raised so that you can still drive over them.
The civil engineers also like absurdly wide turn radii to accommodate 53 feet trailers and large fire trucks even in residential streets, so you end up with comically wide roads even for dead end suburban streets. https://thumbs.dreamstime.com/b/suburban-street-2779407.jpg