Projects

Caltrans and MPOs in the State conduct travel surveys every ten (10) years to obtain detailed information about the household socioeconomic characteristics and travel behavior of households...
The Travel Survey was completed in 2003 and was used to support transportation model improvements for the 2004 and 2008 Regional Transportation Plans and other transportation studies.  It was a...
As the improvement of air quality has become increasingly critical to the SCAG region, the ability of SCAG to accurately predict the impacts of transportation improvements and air quality mitigation...
​SCAG hired Rea & Parker Research to provide consultative assistance to this endeavor and to develop a survey database of cross-border travel on weekdays and weekends by pedestrians, passenger...
​This Peer Review focuses on SCAG’s model development program and the validation of the 2008 Regional Travel Demand Model for Southern California. The Model is being updated for use in preparing the...
​In preparation for the Year 2008 validation of the regional travel demand model of the Southern California Association of Governments (SCAG), a Regional Screenline Traffic Count Program was...