Lillian Tsang has experience in travel demand forecasting, traffic operations, traffic impact studies, and roadway design. Her studies focused on Highway Traffic Operations and her research experience includes the analysis of on-ramp metering control in relieving traffic congestion. Her experience includes traffic impact studies for public and private developments, neighborhood traffic calming studies, traffic operation analyses for freeway interchange reconfigurations and facility improvements, travel demand forecasting, and roadway design. She also has experience on parking and circulation studies on private developments as well as for schools. Lillian is familiar with several software packages including SYNCHRO, TRAFFIX, CUBE/TP+, and TRANSCAD.