20251231
20313600
1.0
FALSE
VMT_EFFICIENT_SP_CN
6158112.353928
6526329.464605
1789558.753872
2129144.803045
1
002
Projected
GCS_North_American_1983
Linear Unit: Foot_US (0.304801)
NAD_1983_StatePlane_California_VI_FIPS_0406_Feet
<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/2.7.0'><WKT>PROJCS["NAD_1983_StatePlane_California_VI_FIPS_0406_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",6561666.666666666],PARAMETER["False_Northing",1640416.666666667],PARAMETER["Central_Meridian",-116.25],PARAMETER["Standard_Parallel_1",32.78333333333333],PARAMETER["Standard_Parallel_2",33.88333333333333],PARAMETER["Latitude_Of_Origin",32.16666666666666],UNIT["Foot_US",0.3048006096012192],AUTHORITY["EPSG",2230]]</WKT><XOrigin>-118608900</XOrigin><YOrigin>-91259500</YOrigin><XYScale>3048.0060960121928</XYScale><ZOrigin>0</ZOrigin><ZScale>1</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.0032808333333333331</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>102646</WKID><LatestWKID>2230</LatestWKID></ProjectedCoordinateSystem>
20221130
16032100
20251230
9365200
150000000
5000
FGDC
VMT_EFFICIENT_SP_CN
Feature Class
0
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
TAZ
TAZ
Integer
4
10
0
SANDAG TAZ (Traffic Analysis Zone)
CPASG
CPASG
String
50
0
0
Community Plan Area overlapping most with the TAZ
SP_EFFIC
SP_EFFIC
String
3
0
0
Indicates if the TAZ is "VMT efficient" (and likely excluded from VMT analysis). YES = VMT efficient. NO = not VMT efficient. . VMT per Service Population is the metric used for retail projects that are not considered locally-serving.
SP_TYPE
SP_TYPE
String
50
0
0
Indicates whether the TAZ is one of the following:
- 15% or below the SANDAG Regional Average (VMT Efficient)
- 0% to 15% below the SANDAG Regional Average
- Above the SANDAG Regional Average
- Insufficient Data to calculate Average VMT (less than 20 residential units in the TAZ)
- Incorporated Areas (not included in VMT analysis)
SP_PCT
SP_PCT
Double
8
38
8
Percent difference between TAZ and SANDAG VMT per Service Population
SP_VMT
SP_VMT
Double
8
38
8
VMT (Vehicle Miles Traveled) per Service Population for the TAZ
SP_AVG
SP_AVG
Double
8
38
8
SANDAG Average VMT per Service Population
TAZ_str
TAZ_str
String
4
0
0
Shape
Shape
Geometry
8
0
0
Feature geometry.
Esri
Coordinates defining the features.
Shape.STArea()
Shape.STArea()
Double
0
0
0
Shape.STLength()
Shape.STLength()
Double
0
0
0
ArcGIS Metadata
1.0
Esri ArcGIS 12.7.0.26828
VMT_EFFICIENT_SP_CN
2022-06-01T00:00:00
1
-117.573855
-116.364704
33.509808
32.569591
Provides an average VMT per [Service Population] per Traffic Analysis Zone (TAZ) that projects can use for their VMT if they generate less than 2,400 driveway average daily trips .
VMT per Service Population is the metric used for retail projects that are not considered locally-serving. It is established by dividing the total VMT with at least one trip end in a geographic area by the population plus employment of that geographic area. The total VMT includes all internal VMT, internal to external, and external to internal VMT (in other words all VMT regardless of geographic boundaries). Since this metric combines VMT for residents and employees and reflects how accessible all land uses are (for example, geographies with higher density, more shopping, and more jobs will have lower VMT per Service Population).
Indicates areas within the unincorporated county that are “VMT efficient” – meaning areas that are at least 15% below the regional average. Most discretionary projects that are located within these areas are considered to have a less that significant impact for CEQA/transportation and are “screened out” from further VMT analysis. The "VMT efficient" areas generally occur along the western edge of the unincorporated county (near the cities) and in some county villages (e.g, Fallbrook) where residents are closer to shopping, employment, and entertainment destinations.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>With the adoption of Senate Bill (SB) 743, the State of California changed the method of traffic analysis required through the California Environmental Quality Act (CEQA) for publicly- and privately-initiated projects. The law changed the way local jurisdictions, like the County of San Diego (County), analyze transportation impacts from development projects and identify mitigation measures to reduce those impacts. SB 743 became effective on July 1, 2020.</SPAN></P><P><SPAN>The San Diego Board of Supervisors adopted the Transportation Study Guide (TSG) which established VMT thresholds and screening criteria on Sept 28, 2022. The TSG can be found here: </SPAN></P><P><A href="https://www.sandiegocounty.gov:443/content/sdc/pds/SB743.html" STYLE="text-decoration:underline;"><SPAN>https://www.sandiegocounty.gov/content/sdc/pds/SB743.html</SPAN></A></P><P><SPAN>The previous practice of evaluating traffic transportation impacts used on-road congestion or level of service (LOS). SB 743 requires the amount of driving and length of trips – as measured by "vehicle miles traveled" or VMT – be used to assess transportation impacts on the environment for CEQA review. These impacts will be reduced or “mitigated” by options such as increasing transit, providing for active transportation such as walking and biking, and participating in mitigation banks.</SPAN></P><P><SPAN /></P><P STYLE="font-size:16ptmargin:0 0 11 0;"><SPAN STYLE="font-weight:bold;">The VMT Efficient Layer was updated on December 30, 2025. In the FEHR & PEERS VMT analysis, it was identified that TAZ 762 is VMT Efficient in the Residential, Employment, and Regional Retail cohorts, and is also located within the Unincorporated (North County Metro Area). The VMT Efficient Layer has been updated to reflect this change.</SPAN></P><P><SPAN /></P></DIV></DIV></DIV>
SB743
San Diego
VMT
Transportation
Vehicle Miles Traveled
CEQA
San Diego County
2022-06-01T00:00:00
Ian Dawes
LUEG GIS, County of San Diego
Senior GIS Analyst
Ian.Dawes@sdcounty.ca.gov
LUEG-GIS, SANDAG
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>THIS MAP/DATA IS PROVIDED WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Note: This product may contain information from the SANDAG Regional Information System which cannot be reproduced without the written permission of SANDAG. Copyright SanGIS 2018 - All Rights Reserved. Full text of this legal notice can be found at: </SPAN><A href="http://www.sangis.org:80/legal_notice.htm" STYLE="text-decoration:underline;"><SPAN>http://www.sangis.org/legal_notice.htm</SPAN></A><SPAN>.</SPAN></P></DIV></DIV></DIV>
Enterprise Geodatabase Feature Class
dataset
EPSG
5.3(9.0.0)
0
Simple
FALSE
0
TRUE
FALSE
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