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Overview

A low cost solution for analyzing traffic capacity on roundabouts.

Updated with the HCM 6th Edition Roundabout Changes!
This easy-to-use spreadsheet faithfully implements the processes of the Highway Capacity Manual on Roundabout. Now you too can complete capacity analysis in as little as 5 minutes.

Use the MS Excel based spreadsheet to help you assess the operational performance of an existing or planned one-lane or two-lane roundabout given traffic demand levels.

This customizable spreadsheet allows you to adjust standard defaults, such as the lane utilization, critical headway or follow-up headway, according to local factors.

You could build this spreadsheets, but why go through the effort when the final results are already waiting for you?

Author Information

Bryant Ficek, PE, PTOE is the Vice-President of Spack Consulting where he’s responsible for the quality of all transportation consulting projects. He provides traffic engineering and transportation planning services for public and private clients.

A University of Minnesota graduate, his work history includes stops at Benshoof & Associates (where he completed his share of traffic counts), TKDA and at Bonestroo & Associates. He is an active member of both the Institute of Transportation Engineers and the American Society of Civil Engineers.

Throughout his career, he has been grateful for the opportunity to work on memorable projects such as Minnesota’s first Diverging Diamond Interchange at Elk Run and the reconstruction of the I-35W St. Anthony Bridge. His work has also included hundreds of traffic impact studies, from small single stores to complex multi-phased mega-developments.

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