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

<div>Aerial photograph of the study site: (a) signal-controlled intersection; (b) roundabout [<a href="/journals/jat/2018/3940362/#B4">4</a>].</div>

Journal of Advanced Transportation

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Figure 1

Figure 1: Before-and-After Field Investigation of the Effects on Pollutant Emissions of Replacing a Signal-Controlled Road Intersection with a Roundabout 

Figure 1 | Before-and-After Field Investigation of the Effects on Pollutant Emissions of Replacing a Signal-Controlled Road Intersection with a Roundabout 