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TazData
Yu-Chu Huang edited this page Apr 3, 2024
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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 6593 | Origins, destinations, shape file |
| DISTRICT | Superdistrict geographic designation | Integer, 1 to 34 | |
| SD | Superdistrict geographic designation (duplicate) | Integer, 1 to 34 | |
| COUNTY | County | String | |
| 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 |
| 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 |
AlaCC MODEL DOCUMENTATION