AMBAG Model Improvement Plan

AMBAG has developed the AMBAG Model Improvement Plan, emphasizing the development of integrated land use and transportation models with various customized modeling and visualization tools to analyze the impact of specific developments (residential, commercial, industrial and mixed-use developments) and their realistic impacts on Greenhouse Gas (GHGs) emissions.

AMBAG and the three RTPAs (Monterey, San Benito and Santa Cruz Counties) of the Monterey Bay region use the AMBAG RTDM in the development of the MTP/RTPs. The proposed modeling tools and data will provide great support in developing and planning for sustainable communities throughout the Monterey Bay region.

Regional Travel Demand Model

AMBAG by federal mandate is required to maintain two major planning documents: the Metropolitan Transportation Plan (MTP) and the Metropolitan Transportation Improvement Plan (MTIP). These two plans and other AMBAG transportation studies rely heavily on the Travel Demand Model for predicting the impact of travel growth and evaluating potential transportation improvements.

The Travel Demand Model comprises a large number of data files in order to represent the many facets of the transportation environment. These data sets provide assumptions on population, employment, income, roadway and transit networks and transportation costs. Using this data the model estimates:

  • Traffic congestion (Highway level-of-service)
  • Freight traffic (heavy duty trucks)
  • Passengers riding existing and future transit services
  • Greenhouse Gas (GHGs) emissions analysis by automobile

Contact Bhupendra Patel, Senior Transportation Modeler via email if you have questions regarding AMBAG's Travel Demand Modeling activities.


LiDAR stands for Light Detection and Ranging:
LiDAR coverage map

LiDAR is a form of remote sensing that produces very accurate vertical measurement, suitable for developing digital elevation models (DEMs) and for enhancing the resolution and accuracy of mapping technology.

Metropolitan Transportation Improvement Program (MTIP)

The Monterey Bay Metropolitan Transportation Improvement Program (MTIP) is the region’s short range transportation programming document that contains transportation improvement projects including public mass transit, highway, bridge, local road, bicycle and pedestrian projects proposed for funding based on anticipated available federal, state and local funding over the next four years (currently FFY 2014-15 to 2017-18).

Regional Growth Forecast

Draft 2018 Regional Growth Forecast

The draft 2018 regional growth forecast projects the region's population, housing and employment out to the year 2040. The growth forecast is used to support regional planning efforts such as the Regional Travel Demand Model and the Metropolitan Transportation Plan as well as local planning such as the development of General Plans and project review. However, use of the forecast by local land-use planning agencies is elective.

Regional Clearinghouse

The Clearinghouse newsletter allows for the notification, review and evaluation of federal, state and local development and planning activities that have a potentially significant impact on the environment per the California Environmental Quality Act (CEQA).

Layne Buckley

Bobby Richards

Kristen Petersen