Introducing a whole set of courses dedicated to learning about the diverging diamond interchange. These courses have been given in the past to audiences of students, public agency officials, and consultants. Now they are available to everyone. For more information about the diverging diamond interchange or to schedule a course in your area, please visit our website at www.divergingdiamond.com
Provided conceptual design of a roundabout at the intersection of 9th at Langley Avenue and Tippin Avenue. The two-lane four-leg roundabout alternative was considered as an improvement option to alleviate{…}
Identify and evaluate Transportation Demand Management (TDM) and mobility strategies to improve corridor. Developed typical sections and roadway plan for US 1 with innovative bicycle and pedestrian improvements. Evaluated transit{…}
Conducted many different studies related to the Diverging Diamond Interchange (DDI). Studies include Comparison of the DDI to Other Diamond Interchange Forms, Comparison of the DDI to Other Cloverleaf Forms,{…}
Provided design for roundabout at intersection of Floresta Drive and Polynesian Avenue. The roundabout was designed for a four-lane divided roadway with single lane exits serving the connecting local roads.
Provided design for roundabout at intersection of Floresta Drive and Southbend Boulevard. The roundabout is designed to accommodate four-lane divided roadways with future considerations within the circulating roadway. This roundabout{…}
Provided design for roundabout at intersection of Floresta Drive and Thanksgiving Avenue. The roundabout was designed for a four-lane divided roadway with single lane exits serving the connecting local roads.
Provided design for roundabout at intersection of Floresta Drive and Thornhill Drive. The roundabout was designed to replace the existing signalized intersection and accommodate the four-lane divided roadway and the{…}
A TOD project at the Greenbelt station on the DC Metrorail Green Line which is on the northeast side of the Capital Beltway. The project involves converting the large parking{…}
Study involved analyzing all critical intersections in the City of Greenbelt for operational and safety improvements for motorized vehicles, pedestrians, and bicycles. Included in the study are a proposed diverging{…}
Providing design for a roundabout on the mainland to tie the proposed bridge into M-29. All traffic using M-29 will also use this roundabout. An analysis was also conducted in{…}