Table A.2
Detailed Variable Categories used in BAYCAST Travel Demand Models
Variable Name Model(s) Code Definition
WRKR/JOB10 HBWA Worker/Job Ratio Decile (EMPRES / TOTEMP)
1 < 0.008 EMPRES/TOTEMP
2 0.008 - 0.051 EMPRES/TOTEMP
3 0.051 - 0.140 EMPRES/TOTEMP
4 0.140 - 0.245 EMPRES/TOTEMP
5 0.245 - 0.423 EMPRES/TOTEMP
6 0.423 - 0.668 EMPRES/TOTEMP
7 0.668 - 0.960 EMPRES/TOTEMP
8 0.960 - 1.472 EMPRES/TOTEMP
9 1.472 - 2.590 EMPRES/TOTEMP
10 > 2.590 EMPRES/TOTEMP
GEMPDG10 HBWA Gross Employment Density, Zone of Work, Decile
1 < 1.0 TOTEMP/TOTACRE
2 1.0 - 2.0 TOTEMP/TOTACRE
3 2.0 - 4.0 TOTEMP/TOTACRE
4 4.0 - 6.0 TOTEMP/TOTACRE
5 6.0 - 8.0 TOTEMP/TOTACRE
6 8.0 - 12.0 TOTEMP/TOTACRE
7 12.0 - 18.0 TOTEMP/TOTACRE
8 18.0 - 30.0 TOTEMP/TOTACRE
9 30.0 - 70.0 TOTEMP/TOTACRE
10 > 70.0 TOTEMP/TOTACRE
Area Type multiple Area Type, based on Area Density
Area Density = ((TOTPOP + 2.5 * TOTEMP) / (CIACRE + RESACRE))
0 Core (Area Density > 300.0)
1 Central Business District (Area Density = 100.0 - 300.0)
2 Outlying Business District (Area Density = 55.0 - 100.0)
3 Urban (Area Density = 30.0 - 55.0)
4 Suburban (Area Density = 6.0 - 30.0)
5 Rural (Area Density < 6.0)
Employment multiple Employment Type based on SIC codes (ABAG Database)
RETEMP Retail Trade Employment (SIC = 52-59)
SEREMP Service Employment (SIC = 70-89)
OTHEMP Other Employment (SIC = 15-17, 40-49, 60-67, 91-97)
MANEMP Manufacturing Employment (SIC = 20-39)
AGREMP Agricultural & Mining Employment (SIC = 1-14)
WHTREMP Wholesale Trade Employment (SIC = 50-51)

Go to Appendix Table A.1 for detailed definition of variables.


Source: Travel Demand Models for the San Francisco Bay Area (BAYCAST-90). Technical Summary. Metropolitan Transportation Commission, Oakland, California, June 1997.