Evaluation of Roundabout Safety Performance through Surrogate Safety Measures from Microsimulation

Table 5

Origin-destination matrix of traffic flow percentages [9].

Case a
origin-destination	South	East	North	West
South	0	0.33	0.33	0.33
East	0.33	0	0.33	0.33
North	0.33	0.33	0	0.33
West	0.33	0.33	0.33	0
Case b
origin-destination	South	East	North	West
South	0	0.30	0.05	0.65
East	0.05	0	0.05	0.90
North	0.05	0.65	0	0.30
West	0.05	0.90	0.05	0
Case c
origin-destination	South	East	North	West
South	0	0.65	0.05	0.30
East	0.05	0	0.05	0.90
North	0.05	0.30	0	0.65
West	0.05	0.90	0.05	0