/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: XuWang14 https://cdn.slidesharecdn.com/profile-photo-XuWang14-48x48.jpg?cb=1584241317 Roadway construction supervision, earthwork transportation management, traffic corridor simulation and analyse, intersection signal timing, signal warrant study, traffic impact study and review, traffic safety research, traffic data mining and technical report writing. Specialties: intersection timing, traffic simulation, traffic warrant study, traffic impact study, urban transportation planning, public transit.