Fig. 4From: A comparative evaluation of the safety performance of bus priority route configurationsLeast-squares means of accident frequencies* at junctions by accident type and BPR configuration. BPR configurations: 1—curbside; 2—open centre-lane; 30—barrier-separated, no bus-overtaking; 31—barrier-separated, with possibility for bus-overtaking. *Accident number per site, per yearBack to article page