aakarner / ithim-sacramento-spatial

ITHIM-Sacramento-PhaseII

This repository contains code that implements the Integrated Transport and Health Impact Model (ITHIM) for the six-county Sacramento Area Council of Governments (SACOG) region at a fine grained spatial scale (ZCTA level).

Source code

Core functions

1. Physical activity module: /01_Core Functions/01_Functions_PA_PhaseII.R

2. Traffic injury module: /01_Core Functions/02_Functions_TI_PhaseII.R

Data preparation

1. Population and mortality at ZCTA level: /02_Data Preparation/01_Population+Mortality_zcta_level.R

Data Source:

• Region-wide moratlity rates taken from California Department of Public Health (CDPH) Statistic Vitals: /02_Data Preparation/00_Data/01_RegionwideMortalityRate_SACOG.csv

• Population at ZCTA level taken from 2010 Decennial Census.

2. Baseline traffic injury at ZCTA level: /02_Data Preparation/02_BaselineInjuryEstimationbyVMT.R

Data Source:

• Region-wide baseline traffic injury taken from Internet Statewide Integrated Traffic Records System (SWITRS) and Transportation Injury Mapping System (TIMS): /02_Data Preparation/00_Data/02_RegionWide_BaselineInjury.csv

3. Data process for SACSIM15: /02_Data Preparation/03_DataProcess_SACSIM_PhaseII.R

4. Allocation of TAZs into ZCTAs: /02_Data Preparation/03_DataProcess_SACSIM_PhaseII.R

Data Source:

• Information of overlaps between ZCTAs and TAZs from ArcGIS: /02_Data Preparation/03_Intersection-TAZ2ZIP.dbf

• SACOG TAZ file: /02_Data Preparation/04_SACOG-TAZ.dbf

• ZCTA list for SACOG region:02_Data Preparation/05_zcta_list_SACOG.csv