standard-title DDI Courses

DDI Courses

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. To schedule a course in your area or to get more information on availability, please contact us here.

Course Testimonials

Mr. Chlewicki has taught in over 25 US states and several other countries. He consistently scores high on evaluation forms and receives great positive feedback.