Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2 questions · 2 findings · 1 reviews · Injuries · Headline outcomes only

No studies found 1 · 50%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 50%High 0 · 0%

Intervention not reported

Average reduction in mean speed 2.3 km/h (p = 0.05) at camera sites post 1st year. Average reduction in mean speeds 1.3 km/h (‐2.6 to 0.1)post 2nd year on experimental open roads
1 finding from 1 review

Intervention not reported

Having controlled for season and general trends, injury crash outcomes in experimental areas relative to control areas were a net reduction of 11% (p= 0.03) in all crashes and 19% (p=0.002) in injury crashes on open roads across the region associa...

The review found no eligible studies for this question.

1 finding from 1 review