Travel Demand Modeling
LLG staff are recognized experts and provide technical support for a variety of projects that include Travel Demand Model development and application (Four-Step, Active Transportation Model and Activity-Based Models), travel behavior survey and evaluation, data visualization, future traffic volumes forecasts, select zone and link analysis, Vehicle Miles Traveled (VMT) and average trip length (ATL) analyses, transit and highway corridor assessments, location-based analytics, assessment of transit and shared mobility systems, transportation market research, Connected /Autonomous Vehicles planning and modeling analyses, and network development assignments. Additionally, LLG provides support for travel model applications for Long-Range Regional plans, transit system implementation and analysis, corridor studies, air quality conformity analysis, and major highway and transit studies. LLG is proficient in the following travel demand models:
- Southern California Association of Governments Regional Travel Demand Model (SCAG RTDM)
- San Bernardino Transportation Analysis Model (SBTAM)
- Riverside Transportation Analysis Model (RivCOM)
- Orange County Transportation Analysis Model (OCTAM)
LLG provided On-Call Traffic Engineering and Transportation Planning support services to the City of Torrance for the Senate Bill (SB) 743 and Vehicle Miles Traveled (VMT) Implementation and Compliance Project. The On-Call services and consultation included model refinement and calibration of the Southern California Association of Governments Regional Travel Demand Model (SCAG RTDM) to determine the Baseline Year (Year 2012) and Cumulative Year (Year 2040) Citywide and Regional average Home-Based VMT per Capita, Employment-Based VMT per Employee and total net VMT on a Traffic Analysis Zone (TAZ) level.
Rancho Cielito Project
LLG prepared a Traffic Impact Analysis for the Rancho Cielito Residential Project that included development of up to 354 residential apartment units on 48.37 acres. The analysis included utilizing the San Bernardino Transportation Analysis Model (SBTAM) to obtain baseline and long-term model data including roadway network and land use changes. Baseline and future model select zone assignments were also developed.