Sources & Methods
A clear source hierarchy for the SB 79 statute, regional geography, Los Angeles implementation, and the project’s analytical layers.
Source hierarchy
The site identifies the issuing source and date for every public record. Statutory standards, SCAG geographic records, Los Angeles City Planning implementation records, and Relational Land analytical layers each serve a different purpose.
- Statutestate standard and affordability pathway
- SCAGregional transit-oriented development geography
- LA City PlanningCity implementation and capacity baseline
Public records
The map starts with the record that owns each question
California law supplies the SB 79 standards. SCAG, Southern California’s metropolitan planning organization, supplies the Stops, Zones, and Tiers Map used as the site’s regional geographic foundation.
Los Angeles City Planning supplies the local ordinances and the May 2026 Table 1C capacity baseline used in the State–City Capacity map. The map labels that baseline with its source and date.
- 2D / 3Dshared official geography
- Flat planesTOD distance geography
- 3D stacksCity capacity comparison
Map design
Geography, capacity, and analysis remain distinct
The regional framework map uses flat, concentric 200-foot, quarter-mile, and half-mile planes around SCAG access points. Its 2D and 3D views show the same geography; neither gives the zone itself a vertical meaning.
The State–City Capacity map is the three-dimensional comparison. It translates reported residential floor-area values in the City’s May 2026 baseline into visual floor stacks and provides a bounded parcel-volume range when assessor records are available.
Reading guide
Each map’s “How to read” drawer supplies its source, date, and measure. Selecting a map feature opens the record associated with that feature.
- CVIRelational Land analytical layer
- 6normalized component measures
- Station areacomparative unit
Compound Vulnerability Index
A project index with a defined role
The Compound Vulnerability Index is a Relational Land station-area analysis. It combines six normalized component measures into a common 0–100 comparative score, published in the CVI map and station table.
CVI is deliberately separate from the official regional map and the City implementation baseline. It helps people compare the accumulation of its documented component conditions; it does not serve as a legal classification or a project forecast.
Data access
The public station table is available in Sources & Data as an in-browser table and a CSV download.
The public release keeps analytical layers named as Relational Land work and official layers named by their issuing agency.