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Regional Reports Glossary 2024 Edition
- >Centerline Mileage (PDF)
- mileage of a roadway regardless of lanes – it is taken from the center of the roadway.
- Core Based Statistical Area (CBSA)
- consists of one or more counties that include a core urban area (UA) with a population of at least 10,000 and adjacent counties with a high degree of economic and social integration, as measured by commuting ties to that core.
- >Daily Truck Miles (PDF)
- the estimated daily mileage of trucks only using that roadway.
- >Daily Vehicle Miles (PDF)
- the estimated daily mileage of all vehicles using that roadway.
- Gross Domestic Product (GDP)
- the market value of goods and services produced in the United States.
- >Lane Mileage (PDF)
- the mileage for all lanes combined.
- Location Quotient (LQ)
- a measure of an industry’s relative size in a region compared to its average size in the nation.
- Metropolitan Area
- associated with at least one UA with a population of at least 50,000.
- Metropolitan Planning Organizations (MPOs)
- federally mandated policymaking organizations created to coordinate transportation planning in urbanized areas.
- Micropolitan Area
- associated with at least one UA with a population of at least 10,000 but less than 50,000.
- >Off-System Roads (PDF)
- roads that are not under the jurisdiction of TxDOT but are instead under jurisdiction of cities, counties, the federal government or private entities (e.g., private toll roads).
- >On-System Roads (PDF)
- roads that are under the jurisdiction of TxDOT.
- Texas Housing Affordability Index (THAI)
- measures the ability of a household earning the median family income to purchase a median-priced home. An index ratio greater than 1.00 means that the median family income is more than the income required to purchase the median home in a specific area.
- Urban Area (UA)
- a territory that encompasses at least 2,000 housing units or has a population of at least 5,000.
Questions?
If you have any questions or concerns regarding the material on this page, please contact the Comptroller’s Data Analysis and Transparency Division.