Thank you This live web event has ended. Thank you for attending. Contributors Dongho Chang, P.E., PTOE City Traffic Engineer, Seattle Department of Transportation, Seattle, WA, USA Nathan Roseberry, P.E. Nathan works for the City of Chicago and acted as the lead engineer for on-street bicycle projects for the past 5 ½ years. He has helped to install over 120 miles of innovative bicycle improvements including separated bike lanes. Nathan also has lead the design of complete streets projects in other communities in Illinois, is a certified trainer of NACTO materials, has lead over 60 day trainings on complete streets materials, and is an adjunct faculty at the University of Illinois at Chicago. Nathan is a licensed engineer in Illinois and has both an Engineering and Urban Planning degree from the University of Iowa.