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TazData

Drew Levitt edited this page Oct 3, 2023 · 11 revisions

Home > TravelModel > UsersGuide > DataDictionary > TazData


Identical CSV and DBF versions of this file are used by the travel model. See also InflationAssumptions

Name Definition Scale Join with …
ZONE Transportation analysis zone Integer, 1 to 1454 Origins, destinations, shape file
DISTRICT Superdistrict geographic designation Integer, 1 to 34  
SD Superdistrict geographic designation (duplicate) Integer, 1 to 34  
COUNTY County Integer, 1 to 9 1=San Francisco; 2=San Mateo; 3=Santa Clara; 4=Alameda; 5=Contra Costa; 6=Solano; 7= Napa; 8=Sonoma; 9=Marin
TOTHH Total households Integer, 0 and up  
HHPOP Population living in households (as opposed to group quarters) Integer, 0 and up  
TOTPOP Total population Integer, 0 and up  
EMPRES Employed residents (household and group quarters) Integer, 0 and up  
SFDU Number of occupied and unoccupied single-family dwelling units (currently not used by the Travel Model) Integer, 0 and up  
MFDU Number of occupied and unoccupied multi-family dwelling units (currently not used by the Travel Model) Integer, 0 and up  
HHINCQ1 Households in the lowest income quartile (less than $30,000 annually in $2000) Integer, 0 and up  
HHINCQ2 Households in the second lowest income quartile (between $30,000 and $60,000 in $2000) Integer, 0 and up  
HHINCQ3 Households in the second highest income quartile (between $60,000 and $100,000 in $2000) Integer, 0 and up  
HHINCQ4 Households in the highest income quartile (more than $100,000 in $2000) Integer, 0 and up  
TOTACRE Total acres Float, 0.0 and up  
RESACRE Acres occupied by residential development Integer, 0 and up  
CIACRE Acres occupied by commercial or industrial development Integer, 0 and up  
SHPOP62P Share of the population age 62 or older Float, 0.0 to 1.00  
TOTEMP Total employment Integer, 0 and up  
AGE0004 Persons age 0 to 4 Integer, 0 and up  
AGE0519 Persons age 5 to 19 Integer, 0 and up  
AGE2044 Persons age 20 to 44 Integer, 0 and up  
AGE4564 Persons age 45 to 64 Integer, 0 and up  
AGE65P Persons age 65 and older Integer, 0 and up  
RETEMPN Retail trade employment (NAICS-based) Integer, 0 and up  
FPSEMPN Financial and professional services employment (NAICS-based) Integer, 0 and up  
HEREMPN Health, educational and recreational service employment (NAICS-based) Integer, 0 and up  
AGREMPN Agricultural and natural resources employment (NAICS-based) Integer, 0 and up  
MWTEMPN Manufacturing, wholesale trade and transportation employment (NAICS-based) Integer, 0 and up  
OTHEMPN Other employment (NAICS-based) Integer, 0 and up  
PRKCST Hourly parking rate paid by long-term (8-hours) parkers (year 2000 cents) Float, 0.0 and up  
OPRKCST Hourly parking rate paid by short-term parkers (year 2000 cents) Float, 0.0 and up  
AREATYPE Area type designation Integer, 0=regional core, 1=central business district, 2=urban business, 3=urban, 4=suburban, 5=rural  
HSENROLL High school students enrolled at schools in this TAZ Float, 0.0 and up  
COLLFTE College students enrolled full-time at colleges in this TAZ Float, 0.0 and up  
COLLPTE College students enrolled part-time at colleges in this TAZ Float, 0.0 and up  
TERMINAL Average time to travel from automobile storage location to origin/destination Float, 0.0 and up  
TOPOLOGY Topology (steepness) indicator Integer, 1 - flat, 2 - in between, 3 - steep  
ZERO Placeholder (always zero) Integer, 0  
HHLDS Repeat of the TOTHH variable with a different name for software compatibility Integer, 0 and up  
SFTAZ Repeat of the ZONE variable with a different name for software compatibility Integer, 1 to 1454  
GQPOP Population living in non-institutional group quarters rather than households Integer, 0 and up  
CORDON Cordon toll zone, > 0 if the TAZ is within a cordon, and 0 if it's not. See Implement means-based cordon discounts (for tolls and transit fares) Integer, 0 and up
CORDONCOST Cost for that cordon toll zone (year 2000 cents). See Implement means-based cordon discounts (for tolls and transit fares) Integer, 0 and up

TAZ1454 by county

County Code County Name TAZ 1454 range
1 San Francisco 1-190
2 San Mateo 191-346
3 Santa Clara 347-714
4 Alameda 715-1039
5 Contra Costa 1040-1210
6 Solano 1211-1290
7 Napa 1291-1317
8 Sonoma 1318-1403
9 Marin 1404-1454
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