Re-order Paragraphs

Put the sentences in the correct order:

1. ▲▼As a result, what began as an unpopular experiment is now embraced by engineers as a safer alternative to the conventional intersection.
2. ▲▼Studies found that roundabouts cut serious collisions sharply because cars slow down and approach from a single direction.
3. ▲▼Over time, however, the data told a very different story about how these junctions actually performed.
4. ▲▼Critics argued that the unfamiliar circles would only confuse motorists and worsen the daily commute.
5. ▲▼When city planners first introduced roundabouts to replace traffic lights, many drivers reacted with suspicion and complaint.