Roundabout Capacity Calculator

Calculate the capacity and performance of your roundabout design with this advanced tool

Number of Approach Lanes

Number of Circulating Lanes

Inscribed Circle Diameter (m)

Entry Width (m)

Entry Radius (m)

Peak Hour Volume (veh/h)

Heavy Vehicle Percentage (%)

Pedestrian Volume (peds/h)

Entry Capacity: – veh/h

Circulating Capacity: – veh/h

Degree of Saturation: –

Delay per Vehicle: – seconds

Queue Length: – vehicles

Level of Service: –

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