www.wsdot.wa.gov/Safety/roundabouts/default.htm www.wsdot.wa.gov/ Safety/roundabouts www.wsdot.wa.gov/ Safety/roundabouts www.wsdot.wa.gov/ Safety/roundabouts www.wsdot.wa.gov/Safety/roundabouts/default.htm http://www.wsdot.wa.gov/Safety/roundabouts/default.htm www.wsdot.wa.gov/ Safety/roundabouts