Journal of Advanced Transportation / 2018 / Article / Tab 14

Research Article

Before-and-After Field Investigation of the Effects on Pollutant Emissions of Replacing a Signal-Controlled Road Intersection with a Roundabout

Table 14

Probabilities of (mg) ≥ 76 mg (traffic condition = peak).

Probability of
(mg) ≥ 76 mg
IntersectionDriverTrip direction

14.2%SignalizedD1A
27.6%SignalizedD1B
28.7%RoundaboutD1A
41.4%SignalizedD2A
48.0%RoundaboutD1B
61.8%SignalizedD2B
63.1%RoundaboutD2A
79.7%RoundaboutD2B