Wisconsin Department of Transportation Roundabout design

Roundabout design

Complete roundabout guidance is contained in FDM 11-25 and 11-26.

A detailed listing with direct links is provided:

Intersection control evaluation (FDM 11-25-3)
General design (FDM 11-26-1)
Design process and qualifications (FDM 11-26-5)
Multi-modal considerations (FDM 11-26-10)
Agency and public coordination (FDM 11-26-15)
Access control (FDM 11-26-17)
Operations (FDM 11-26-20)
System considerations (FDM 11-26-25)
Principal based design guidance (FDM 11-26-30)
Signing and pavement marking (FDM 11-26-35)
Illumination, landscaping and maintenance (FDM 11-26-40)
Work zone traffic control (FDM 11-26-45)
Design aides (FDM 11-26-50)

Gary Corcoran, P.E.
WisDOT Roadway Design Standards Engineer
gary.corcoran@dot.wi.gov
(608) 264-9426