Assertion: median | /r/HasProperty | constructed
Facets:
value: in order to have any effect
type: PURPOSE
Source sentences:
text: The study found that medians without barriers should be constructed more than 30 feet (9.1 m) wide in order to have any effect on safety, and that safety benefits of wider medians continue to increase to a width of 60 to 80 feet (18.3 to 24.4 m).