Traffic Analysis Zones (TAZs)

Map of the roads i n San Bernardino CountyTraffic Analysis Zones (TAZs) are areas for which socioeconomic factors (i.e. population, housing, and employment) are portrayed for the purpose of transportation modeling. TAZ systems are defined at the regional, subregional and, in some cases, local levels.

SANBAG typically uses subregional Comprehensive Transportation Plan (CTP) TAZs, which are the basis for subregion-scale transportation modeling. Local TAZs, used in more refined, local transportation models, may be used if the local model has been determined to be consistent with the subregional model. Subregional transportation modeling provides a basis for long-range planning, Congestion Management Program (CMP) analysis, and design of transportation projects.

CTPTAZ maps by Regional Statistical Area (RSA):


SANBAG Contact

Cameron Brown
Data Management Specialist
Phone: (909) 884-8276
Fax: (909) 885-4407
Email:cbrown@sanbag.ca.gov