Review Article

2 + 1 Highways: Overview and Future Directions

Table 5

Comparison of international 2 + 1 road safety performance.

CountryMedian barriersCrash reduction (compared to two-lane highway) (%)
FatalFatal + injuryAll

Sweden [45]Yes76–8255–60
Sweden [45]No35–4035–40
Sweden [10]Yes80–90
Finland [2]Yes4625
Finland [2]No011
Germany [2]No3628
Denmark [27]No50
Denmark [27]No076
United States [13]No2744