Georgia Roundabout Design Guide – DOT Design Policy Manual – DOT Roundabout Analysis Tool – DOT Kansas Kansas Roundabout Guide – DOT Louisiana Engineering Documents – DOT Maryland Roundabout Design Guidelines – SHA Massachusetts Guidelines for the Planning and Design of Roundabouts Oregon Roundabout Evaluation and Design Guidelines – City of Bend Engineering – DOT Texas Texas Roundabout Guidelines Report Roundabout Design Standards – City of Sugarland Washington Washington DOT Roundabout Design Manual Roundabout Design Manual – City of Redmond Wisconsin Facilities Development Manual CH. 11-26 – DOT Federal Highway Administration NCHRP 672 (supersedes old FHWA guide) Roundabouts: An Informational Guide (superseded by NCHRP 672) US DOT Roundabout Traffic Design and Landscaping