A named list comprising four named vectors, each of which contains the FIPS codes (as 5-character strings) for the counties in one of the four primary geographic divisions of CMAP's travel model and socioeconomic forecasts: the 7-county CMAP region, as well as the external counties in Illinois, Indiana, and Wisconsin.
county_fips_codesAn object of class list of length 5.
# 7-county CMAP region
county_fips_codes$cmap
#> Cook DuPage Kane Kendall Lake McHenry Will
#> "17031" "17043" "17089" "17093" "17097" "17111" "17197"
# Travel model non-CMAP Illinois counties
county_fips_codes$xil
#> Boone DeKalb Grundy Kankakee LaSalle Lee Ogle Winnebago
#> "17007" "17037" "17063" "17091" "17099" "17103" "17141" "17201"
# Travel model Indiana counties
county_fips_codes$xin
#> Lake LaPorte Porter
#> "18089" "18091" "18127"
# Travel model Wisconsin counties
county_fips_codes$xwi
#> Kenosha Racine Walworth
#> "55059" "55101" "55127"
# Chicago-Naperville-Elgin, IL-IN-WI MSA counties
county_fips_codes$msa
#> Cook_IL DeKalb_IL DuPage_IL Grundy_IL Kane_IL Kendall_IL Lake_IL
#> "17031" "17037" "17043" "17063" "17089" "17093" "17097"
#> McHenry_IL Will_IL Jasper_IN Lake_IN Newton_IN Porter_IN Kenosha_WI
#> "17111" "17197" "18073" "18089" "18111" "18127" "55059"
# Get the names of the CMAP counties
names(county_fips_codes$cmap)
#> [1] "Cook" "DuPage" "Kane" "Kendall" "Lake" "McHenry" "Will"
# Get all travel model counties in a single vector
unlist(county_fips_codes[c("cmap", "xil", "xin", "xwi")])
#> cmap.Cook cmap.DuPage cmap.Kane cmap.Kendall cmap.Lake
#> "17031" "17043" "17089" "17093" "17097"
#> cmap.McHenry cmap.Will xil.Boone xil.DeKalb xil.Grundy
#> "17111" "17197" "17007" "17037" "17063"
#> xil.Kankakee xil.LaSalle xil.Lee xil.Ogle xil.Winnebago
#> "17091" "17099" "17103" "17141" "17201"
#> xin.Lake xin.LaPorte xin.Porter xwi.Kenosha xwi.Racine
#> "18089" "18091" "18127" "55059" "55101"
#> xwi.Walworth
#> "55127"