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Guidelines for the Planning and Design of Roundabouts

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Table of Contents

Planning and Design Guidance

MassDOT Guidelines for the Planning and Design of Roundabouts (PDF 9.43 MB)
MassDOT Rotary Retrofits White Paper (PDF 7.25 MB)

Additional Resources

GDOT Roundabout Analysis Tool 
MassDOT Roundabout VISSIM Microsimulation Guidance (PDF 2.05 MB)
MassDOT Safety: Alternatives Analysis Guide (PDF 3.55 MB)
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